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ECH-262 < DTC/CIRCUIT DIAGNOSIS > [HRA2DDT] P1589 PARK/NEUTRAL POSITION SWITCH NO >> GO TO 3. 3. CHECK REVERSE/NEUTRAL POSITION SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect IPDM E/R harness connector. 3. Check the continuity between reverse/neutral position switch harness connector and IPDM E/R harness Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit. NO >> Repair or replace error-detected parts. 4. CHECK REVERSE/NEUTRAL POSITION INPUT SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between reverse/neutral position switch harness connector and ECM harness con- 4. Also check harness for short to ground. Is the inspection result normal? YES >> GO TO 5. NO >> Repair or replace error-detected parts. 5. CHECK INTERMITTENT INCIDENT Check intermittent incident. Refer to GI-41, "Intermittent Incident" . Is the inspection result normal? YES >> Replace reverse/neutral position switch. NO >> Repair or replace error-detected parts. + − Continuity Reverse/Neutral position switch IPDM E/R Connector Terminal Connector Terminal F100 2 F90 101 Existed + − Continuity Reverse/Neutral position switch ECM Connector Terminal Connector Terminal F100 3 F18 143 Existed |