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3 CHECK ACCELERATOR POSITION SENSOR POWER SUPPLY CIRCUIT 1. Turn ignition switch “OFF”. YEC706A OK or NG OK E GO TO 4. NG E Repair open circuit or short to ground or short to power in harness or connectors. 4 CHECK ACCELERATOR POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. MEC994D 3. Check harness continuity between accelerator work unit terminal 3 and engine ground. Refer to Wiring Diagram. Continuity should exist. 4. Also check harness for short to ground and short to power. OK or NG OK E GO TO 5. NG E Repair open circuit or short to ground or short to power in harness or connectors. DTC 0403 ACCEL POS SENSOR ZD30DDTi Diagnostic Procedure (Cont’d) EC-146 |