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EC9-328 < DTC/CIRCUIT DIAGNOSIS > [R9M] P1589 NEUTRAL SWITCH 3. Check the continuity between neutral position switch harness connector and IPDM E/R harness connec- Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit. NO >> Repair or replace error-detected parts. 4. CHECK NEUTRAL POSITION INPUT SIGNAL CIRCUIT-1 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between neutral position switch harness connector and ECM harness connector. 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 NEUTRAL POSITION INPUT SIGNAL CIRCUIT-2 1. Disconnect IPDM E/R harness connector. 2. Check the continuity between neutral position switch harness connector and IPDM E/R harness connec- 3. Also check harness for short to ground. Is the inspection result normal? YES >> GO TO 6. NO >> Repair or replace error-detected parts. 6. CHECK INTERMITTENT INCIDENT Check intermittent incident. Refer to GI-41, "Intermittent Incident" . Is the inspection result normal? YES >> Replace neutral position switch. NO >> Repair or replace error-detected parts. + − Continuity Neutral position switch IPDM E/R Connector Terminal Connector Terminal F159 2 F90 101 Existed + − Continuity Neutral position switch ECM Connector Terminal Connector Terminal F159 1 F82 80 Existed + − Continuity Neutral position switch IPDM E/R Connector Terminal Connector Terminal F159 2 F89 78 Existed |