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DTC Troubleshooting

Step Action Yes No
1  DTC check 
  1. Clear DTC, refer to DTC Clearance .
  2. Set ignition OFF.
  3. Disconnect "G51" and "G01" connectors.
  4. Check for proper terminal connections to "G51" and "G01" connectors.
  5. If connections are OK, connect "G51" and "G01" connectors securely.
  6. Perform "DTC Confirmation Procedure" and recheck DTC, refer to DTC Check .

Is DTC B1952 still detected? 		 Go to Step 2. Intermittent trouble.
2  Headlight auto leveling control module circuit check 
  1. Set ignition OFF.
  2. Disconnect "G51" and "G01" connectors.
  3. Check "A1" circuit between "G51" connector and "G01" connector for open circuit, short to ground or short to power supply.

Is fuse good? 		 Go to Step 3. Repair or replace defective harness and recheck DTC. Refer to DTC Check .
3  Windshield washer pump supply circuit voltage check 
  1. Check "A1" circuit voltage with engine idle speed or running at 3, 000 rpm.

Is voltage 10 - 14V? 		 Replace headlight auto leveling control module and recheck DTC. Refer to HEADLIGHT AUTO LEVELING CONTROL MODULE REMOVAL AND INSTALLATION (IF EQUIPPED) . Check charging system. Refer to GENERATOR TEST .
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