DIAGNOSTIC ITEM 23: Diagnose when the scan tool cannot receive the data sent by occupant classification-ECU: Diagnosis
Required Special Tools:
- MB991223: Harness Set
- MB992006: Extra Fine Probe
- STEP 1. Check joint connector (CAN1) C-06, occupant classification-ECU connector D-35, D-35-2 and intermediate connector C-22 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 (CAN1) C-06, occupant classification-ECU connector D-35, D-35-2 and intermediate connector C-22 in good condition?
- YES: Go to Step 2.
- NO: Repair the damaged parts.
- STEP 2. Check the wiring harness between joint connector (CAN1) C-06 and occupant classification-ECU connector D-35-2 for open circuit. CAUTION: Strictly observe the specified wiring harness repair procedure. For details refer to SERVICE PRECAUTIONS .
- Disconnect joint connector (CAN1) C-06 and occupant classification-ECU connector D-35-2, and check the wiring harness.
- Check the wiring harness between joint connector (CAN1) C-06 (terminal 4) and occupant classification-ECU connector D-35-2 (terminal 24)
OK: Continuity exists (2 Ω or less)
- Check the wiring harness between joint connector (CAN1) C-06 (terminal 15) and occupant classification-ECU connector D-35-2 (terminal 25)
OK: Continuity exists (2 Ω or less)
Q: Is the wiring harness between joint connector (CAN1) C-06 and occupant classification-ECU connector D-35-2 in good condition?
- YES: Check the power supply circuit of the occupant classification-ECU. Refer to DIAGNOSIS .
- NO: Repair the wiring harness between joint connector (CAN1) C-06 and occupant classification-ECU connector D-35-2.