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EC-1346 [YD (WITHOUT EURO-OBD)] DTC P0122, P0123 APP SENSOR Diagnostic Procedure EBS014UP 1. CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Loosen and retighten body ground screw. Refer to . OK or NG OK >> GO TO 2. NG >> Repair or replace ground connection. 2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT 1. Disconnect accelerator pedal position (APP) sensor harness 2. Turn ignition switch ON. 3. Check voltage between APP sensor terminal 2 and ground with OK or NG OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 3. CHECK APP SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between APP sensor terminal 4 and ECM terminal 84. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 4. NG >> Repair open circuit or short to ground or short to power in harness or connectors. MBIB0915E MBIB0904E Voltage: Approximately 5.3V PBIB0811E Continuity should exist. |