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6E–485 TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS Diagnostic Trouble Code (DTC) P1635 Reference Voltage # 1 Circuit Fault
Step Action Value(s) Yes No 1 Was the “On-Board(OBD)System Check” performed? — Go to Step 2 Go to OBD System Check 2 1. Ignition “ON”, engine not running. check the votage at terminal S38 (RED/BLU) pin. Is the voltage in specified range? 4.95 – 5.0V Go to ETC System Check Go to Step 3 3 1. Ignition “ON”, engine not running. check the votage at terminal F20 (WHT) pin. Is the voltage in specified range? 11.6 – 12.7V Go to Step 4 Go to Step 5 4 1. Ignition “ON”, engine not running. check the votage at terminal F57 (WHT) pin. Is the voltage in specified range? 11.6 – 12.7V Go to Step 6 Go to Step 5 5 Observe the battery voltage and circuit. If the probrem Was the probrem found? — Verify repair Go to Step 6 6 Replace the PCM. IMPORTANT: Is the action complete? — Verify repair — |