DIAGNOSTIC ITEM 13: Diagnose when the scan tool cannot receive the data sent by transaxle assembly (TC-SST-ECU) < RALLIART >: Diagnosis
WARNING: This page is about a different variant/trim than selected.
Required Special Tools:
- MB991223: Harness Set
- MB992006: Extra Fine Probe
- STEP 1. Check joint connector (CAN4) A-55 and transaxle assembly (TC-SST-ECU) connector B-120 for loose, corroded or damaged terminals, or terminals pushed back in the connector. CAUTION: The strand end of the twisted wire should be within 10 cm (4 inches) from the connector. For details, refer to SERVICE PRECAUTIONS .
Q: Are joint connector (CAN4) A-55 and transaxle assembly (TC-SST-ECU) connector B-150 in good condition?
- YES: Go to Step 2.
- NO: Repair the damaged parts.
- STEP 2. Check the wiring harness between joint connector (CAN4) A-55 and transaxle assembly (TC-SST-ECU) connector B-120 for open circuit. CAUTION: Strictly observe the specified wiring harness repair procedure. For details, refer to SERVICE PRECAUTIONS .
- Disconnect joint connector (CAN4) A-55 and transaxle assembly (TC-SST-ECU) B-120, and check the wiring harness.
- Check the wiring harness between joint connector (CAN4) A-55 (terminal 7) and transaxle assembly (TC-SST-ECU) connector B-120 (terminal 5)
OK: Continuity exists (2 Ω or less)
- Check the wiring harness between joint connector (CAN4) A-55 (terminal 20) and transaxle assembly (TC-SST-ECU) connector B-120 (terminal 2)
OK: Continuity exists (2 Ω or less)
Q: Is the wiring harness between joint connector (CAN4) A-55 and transaxle assembly (TC-SST-ECU) connector B-120 in good condition?
- YES: Check the power supply circuit of the transaxle assembly (TC-SST-ECU). Refer to DIAGNOSTIC TROUBLE CODE CHART < TC-SST >.
- NO: Repair the wiring harness between joint connector (CAN4) A-55 and transaxle assembly (TC-SST-ECU) connector B-120.