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Diagnostic System Check

  1. Reconnect all previously disconnected components. Turn ignition on, with engine off. Connect scan tool to Data Link Connector (DLC) under left side of instrument panel. If scan tool communicates with EBTCM, go to next step. If scan tool does not communicate with EBTCM, proceed to TEST C: NO COMMUNICATION WITH EBTCM under SYMPTOM DIAGNOSTIC TESTS.
  2. With scan tool in ABS/TCS/ICCS SPECIAL TESTS, run AUTO TEST. Using scan tool, display ABS/TCS/ICCS DTCs. If any current DTCs are set, go to appropriate DTC for diagnosis. If no current DTCs are set, go to next step.
  3. Turn ignition off. Disconnect scan tool. Turn ignition on, with engine off. Check if TRACTION OFF message is displayed on Driver Information Center (DIC). If message is displayed, proceed to TEST A: TRACTION OFF MESSAGE ON WITH NO DTCS SET  under SYMPTOM DIAGNOSTIC TESTS. If message is not displayed, go to next step.
  4. Press TCS on/off switch to disable traction control. Check if TRACTION OFF message is displayed on Driver Information Center (DIC). If message is displayed, go to next step. If message is not displayed, proceed to TEST B: TRACTION OFF MESSAGE INOPERATIVE WITH NO DTCS SET  under SYMPTOM DIAGNOSTIC TESTS.
  5. If any history DTCs are set, go to next step. If no history DTCs are set, system is okay.
  6. Go to appropriate history DTC for diagnosis. Cycle ignition from off to on. Drive vehicle faster than 15 MPH for several minutes while monitoring scan tool for ABS/TCS/ICCS DTCs. Check if history DTC set as current DTC while driving vehicle. If any current DTCs are set, go to appropriate DTC for diagnosis. If no current DTCs are set, system is okay.
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