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Test B: No Response/Acknowledgment Received From All Modules On Circuit 914 (+) Or Circuit 915 (-)

WARNING: This page is about a different car, the 1997 Lincoln Mark VIII. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure ignition switch is in OFF position. Disconnect Gray 13-pin connector C273 from rear of Electronic Automatic Temperature Control (EATC) module. The EATC module is located on A/C evaporator core housing at passenger's side of vehicle and contains a Gray 13-pin connector and a Black 13-pin connector. See Figure .
  2. Using ohmmeter, check resistance between terminal No. 15 (Tan/Orange wire) on connector C273 and terminal No. 2 (Tan/Orange wire) on Data Link Connector (DLC). See Figure and Fig 1 . Note resistance and go to next step.
    Fig 1: Identifying Terminals On Connector C273
    G97B28481Courtesy of FORD MOTOR CO.
  3. Using ohmmeter, check resistance between terminal No. 1 (Pink/Light Blue wire) on connector C273 and terminal No. 10 (Pink/Light Blue wire) on 16-pin DLC. See Figure and Fig 1 . Note resistance and go to next step.
  4. If resistance is 5 ohms or less on both circuits, go to next step. If resistance is more than 5 ohms on any circuit, repair open circuit on wire harness part No. 14401 between DLC and EATC module. See Figure . Repeat TEST A  .
  5. Ensure ignition switch is in OFF position. Disconnect 42-pin harness connector C214. Harness connector C214 is located below driver's side of instrument panel, to the left of steering column. See Fig 2 .
    Fig 2: Locating PCM & Harness Connectors C214 & C248
    G97C28482Courtesy of FORD MOTOR CO.
  6. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  7. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  8. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 13).
  9. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  10. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  11. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 13).
  12. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage does not exist, go to next step. If voltage exists, go to step 53).
  13. Turn ignition switch to OFF position. Reinstall 42-pin harness connector C214. Disconnect 16-pin harness connector C248. Harness connector C248 is located below driver's side of instrument panel, to the left of steering column. See Fig 2 .
  14. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  15. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  16. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 21).
  17. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  18. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  19. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 21).
  20. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage does not exist, go to next step. If voltage exists, go to step 93).
  21. Turn ignition switch to OFF position. Reinstall 16-pin harness connector C248. Disconnect Gray 13-pin connector C273 from rear of Electronic Automatic Temperature Control (EATC) module if not previously disconnected. The EATC module is located on A/C evaporator core housing at passenger's side of vehicle and contains a Gray 13-pin connector and a Black 13-pin connector. See Figure .
  22. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  23. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  24. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 29).
  25. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  26. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  27. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 29).
  28. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage does not exist, go to next step. If voltage exists, replace EATC module. Repeat TEST A  .
  29. Turn ignition switch to OFF position. Reinstall Gray 13-pin connector C273 on EATC module. Disconnect Black 12-pin connector C246 from rear of Message Center (MC) indicator module at center of instrument panel.
  30. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  31. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  32. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 37).
  33. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  34. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  35. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 37).
  36. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage does not exist, go to next step. If voltage exists, replace MC indicator module. Repeat TEST A  .
  37. Turn ignition switch to OFF position. Reinstall Black 12-pin connector C246 on rear of MC indicator module at center of instrument panel. Disconnect Black 16-pin connector C293 from rear Hybrid Electronic Instrument Cluster (HEIC).
  38. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  39. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  40. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 45).
  41. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  42. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  43. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 45).
  44. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage does not exist, go to next step. If voltage exists, replace HEIC. Repeat TEST A  .
  45. Turn ignition switch to OFF position. Reinstall Black 16-pin connector C293 on HEIC. Disconnect connector C288 from SCIL module. See Fig 3 . SCIL module is located behind passenger's side of instrument panel, to the right of glove box. SCIL module contains one 16-pin connector, one 22-pin connector and two 26-pin connectors.
    Fig 3: Locating SCIL Module & Identifying Connectors
    G96E29458Courtesy of FORD MOTOR CO.
  46. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  47. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  48. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to battery voltage on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14401 between the modules for the BUS. See Figure . Repeat TEST A  .
  49. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  50. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  51. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to ground on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14401 between the modules for BUS. See Figure . Repeat TEST A  .
  52. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, replace SCIL module. Repeat TEST A  . If voltage does not exist, repair short between circuit 914 (+) (Tan/Orange wire) and circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14401 between the modules for BUS. See Figure . Repeat TEST A  .
  53. Turn ignition switch to OFF position. Reinstall 42-pin harness connector C214. Disconnect 16-pin harness connector C301. Harness connector C301 is located below driver's side front seat and is a square-type connector. See Fig 4 .
    Fig 4: Identifying Square-Type Harness Connector C301
    G97D28483Courtesy of FORD MOTOR CO.
  54. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  55. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  56. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 69).
  57. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  58. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  59. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 69).
  60. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, go to next step. If voltage does not exist, go to step 69).
  61. Turn ignition switch to OFF position. Reinstall 16-pin harness connector C301. Disconnect Black 26-pin connector C311 from Driver's Seat Module (DSM). The DSM is located below driver's side front seat.
  62. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  63. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  64. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to battery voltage on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A699 between the modules for the BUS. See Figure . Repeat TEST A  .
  65. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  66. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  67. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to ground on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A699 between the modules for BUS. See Figure . Repeat TEST A  .
  68. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, replace DSM. Repeat TEST A  . If voltage does not exist, repair short between circuit 914 (+) (Tan/Orange wire) and circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A699 between the modules for BUS. See Figure . Repeat TEST A  .
  69. Turn ignition switch to OFF position. Reinstall Black 26-pin connector C311 on DSM. Disconnect 16-pin connector C455 from Driver's Door Module (DDM). The DDM is located inside the driver's door.
  70. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  71. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  72. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to battery voltage on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A005 between the modules for the BUS. See Figure . Repeat TEST A  .
  73. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  74. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  75. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit on models with cellular phone, go to step 77). If voltage does not exist on either circuit on models not equipped with cellular phone, repair short to ground on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A005, between modules for BUS. See Figure . Repeat TEST A  .
  76. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, replace DDM. Repeat TEST A  . If voltage does not exist on models with cellular phone, go to next step. If voltage does not exist on models not equipped with cellular phone, repair short between circuit 914 (+) (Tan/Orange wire) and circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A005 between the modules for BUS. See Figure . Repeat TEST A  .
  77. Turn ignition switch to OFF position. Reinstall 16-pin connector C455 on DDM. Disconnect 16-pin harness connector C307. Harness connector C307 is located behind passenger's side rear panel. See Fig 5 .
    Fig 5: Locating Harness Connector C307
    G97E28484Courtesy of FORD MOTOR CO.
  78. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  79. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  80. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to battery voltage on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A005 between the modules for the BUS. See Figure . Repeat TEST A  .
  81. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  82. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  83. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to ground on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A005 between the modules for BUS. See Figure . Repeat TEST A  .
  84. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, go to next step. If voltage does not exist, repair short between circuit 914 (+) (Tan/Orange wire) and circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14A005 between the modules for BUS. See Figure . Repeat TEST A  .
  85. Turn ignition switch to OFF position. Reinstall 16-pin harness connector C307. Disconnect Black 16-pin connector C402 from Cellular Phone Module (CPM). The CPM is located in the trunk, on panel below rear window and contains a Black 16-pin connector and a Black 12-pin connector.
  86. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  87. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  88. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to battery voltage on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 19B113 between the modules for the BUS. See Figure . Repeat TEST A  .
  89. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  90. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  91. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to ground on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 19B113 between the modules for BUS. See Figure . Repeat TEST A  .
  92. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, replace CPM. Repeat TEST A. If voltage does not exist, repair short between circuit 914 (+) (Tan/Orange wire) and circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 19B113 between the modules for BUS. See Figure . Repeat TEST A  .
  93. Turn ignition switch to OFF position. Reinstall 16-pin harness connector C248. Disconnect 16-pin harness connector C122. Harness connector C122 is located at driver's side rear corner of engine compartment. See Fig 6 .
    Fig 6: Identifying Harness Connector C122 & Connector C1030
    G96E29466Courtesy of FORD MOTOR CO.
  94. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  95. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  96. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 101).
  97. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  98. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  99. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 101).
  100. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, go to step 109). If voltage does not exist, go to next step.
  101. Turn ignition switch to OFF position. Disconnect Gray 104-pin connector C291 from Powertrain Control Module (PCM). The PCM is located below driver's side of instrument panel, to the left of steering column. See Fig 2 .
  102. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  103. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  104. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to battery voltage on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 12A581 between the modules for the BUS. See Figure . Repeat TEST A  .
  105. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  106. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  107. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to ground on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 12A581 between the modules for BUS. See Figure . Repeat TEST A  .
  108. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, repeat TEST A. If voltage does not exist, repair short between circuit 914 (+) (Tan/Orange wire) and circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 12A581 between the modules for BUS. See Figure . Repeat TEST A  .
  109. Turn ignition switch to OFF position. Reinstall 16-pin harness connector C122. Disconnect 24-pin connector C106 from Variable Load Control Module (VLCM). The VLCM is located behind passenger's side front fender, in front of wheel opening.
  110. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16
  111. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  112. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  113. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 117).
  114. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  115. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  116. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, go to step 117).
  117. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 10 (Pink/Light Blue wire) on DLC. See Figure . If voltage exists, replace VLCM. Repeat TEST A  . If voltage does not exist, repair short between circuit 914 (+) (Tan/Orange wire) and circuit 915 (-) (Pink/Light Blue wire) in wiring harness part No. 14290 between the modules for BUS. See Figure . Repeat TEST A  .
  118. Turn ignition switch to OFF position. Reinstall 24-pin connector C106 on VLCM. Disconnect Black 25-pin connector C114 from Anti-Lock Brake System (ABS) control module. ABS control module is located below battery tray at driver's side front corner of engine compartment.
  119. Turn ignition switch to ON position. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  120. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 16 (Light Green/Red wire) on DLC. See Figure . Note voltage and go to next step.
  121. If voltage exists on both circuits, go to next step. If voltage does not exist on either circuit, repair short to battery voltage on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness between the modules for the BUS. Repeat TEST A  .
  122. Using voltmeter, check voltage between terminals No. 2 (Tan/Orange wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  123. Using voltmeter, check voltage between terminals No. 10 (Pink/Light Blue wire) and No. 5 (Black/Light Blue wire) on DLC. See Figure . Note voltage and go to next step.
  124. If voltage exists on both circuits, replace ABS control module. Repeat TEST A. If voltage does not exist on either circuit, repair short to ground on circuit 914 (+) (Tan/Orange wire) and/or circuit 915 (-) (Pink/Light Blue wire) in wiring harness between the modules for the BUS. Repeat TEST A  .