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Home >> Acura >> 1993 >> Legend Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - MPYA >> Component Testing >> A/T Gear Position Switch

A/T Gear Position Switch

NOTE: The A/T gear position switch also contains back-up light switch and neutral position switch. Back-up light and neutral position switch can also be checked when checking A/T gear position switch.
  1. The A/T gear position switch is mounted on driver's side of shift lever. See Figure . Remove console.
  2. Disconnect 14-pin electrical connector from A/T gear position switch and note terminal identification. See Fig 1 . Using ohmmeter, check continuity between specified terminals in relation to shift lever position. See A/T GEAR POSITION SWITCH CONTINUITY SPECIFICATIONS  table.
    NOTE: Check continuity while moving shift lever back and forth in free play area of each gear position. DO NOT  touch push button on shift lever when checking continuity.
  3. If continuity is not as specified, A/T gear position switch may require adjustment. See A/T GEAR POSITION SWITCH  under REMOVAL & INSTALLATION. If correct continuity cannot be obtained by adjusting A/T gear position switch, replace A/T gear position switch.
A/T GEAR POSITION SWITCH CONTINUITY SPECIFICATIONS

Shift Lever Position Terminal No.
A/T Gear Position Switch
"P" 9 & 12
"R" 8 & 9
"N" 7 & 9
"D4" 1, 5 & 9
"D" 2, 5 & 9
"2" 3, 5 & 9
"1" 4 & 9
Back-Up Light Switch
"R" 10 & 11
Neutral Position Switch
"P" & "N" 6 & 14
Fig 1: Identifying A/T Gear Position Switch Connector Terminals
G95I19578Courtesy of AMERICAN HONDA MOTOR CO., INC.