DTC 34

Connector Lock System Detects Connector Unlocked

DTC SET CONDITIONS
This diagnostic trouble code is output if a poor connection at the SRS-ECU is detected. However, if the vehicle condition returns to normal, diagnostic trouble code number 34 will be automatically erased, and the SRS warning light will go out.

TROUBLESHOOTING HINTS
- Damaged connectors
- Malfunction of the SRS-ECU

DIAGNOSIS




STEP 1. Check SRS-ECU connector C-137 for damage. If SRS-ECU connector C-137 are damaged, repair or replace them.

Q: Are SRS-ECU connector C-137 in good condition?

YES: Replace the SRS-ECU. Then go to Step 2.
NO: Repair or replace them. Refer to Harness Connector Inspection. Then go to Step 2.

STEP 2. Check for DTC.

Q: Is DTC 34 output?

YES: There is no action to be taken
NO: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to INTRODUCTION, How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction.)