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ECH-270 < DTC/CIRCUIT DIAGNOSIS > [HRA2DDT] P1650 STARTER MOTOR RELAY 2 Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK ENGINE RESTART RELAY POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect IPDM E/R harness connector. 3. Check the continuity between engine restart relay harness connector and IPDM E/R harness connector. 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> Replace IPDM E/R. NO >> Repair or replace error-detected parts. 3. CHECK ENGINE RESTART RELAY POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect starter relay. 3. Check the continuity between engine restart relay harness connector and starter relay harness connector. 4. Also check harness for short to ground. Is the inspection result normal? YES >> GO TO 4. NO >> Perform the trouble diagnosis for starter relay routing circuit. 4. CHECK ENGINE RESTART RELAY CONTROL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between engine restart relay harness connector and ECM harness connector. 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 5. NO >> Repair or replace error-detected parts. 5. CHECK ENGINE RESTART RELAY OUTPUT SIGNAL CIRCUIT + – Voltage Engine restart relay Connector terminal F163 2 Ground Battery voltage + – Continuity Engine restart relay IPDM E/R Connector terminal Connector terminal F163 2 E39 44 Existed + – Continuity Starter relay Engine restart relay Connector terminal Connector terminal F162 3 F163 5 Existed + – Continuity Engine restart relay ECM Connector terminal Connector terminal F163 1 F17 39 Existed |