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PCS B26F1 IGNITION RELAY PCS-89 < DTC/CIRCUIT DIAGNOSIS > [POWER DISTRIBUTION SYSTEM] C D E F G H I J K L B A O P N B26F1 IGNITION RELAY DTC Logic INFOID:0000000009945068 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON under the following conditions, and wait for 2 seconds or more. - Selector lever is in the P or N position - Do not depress brake pedal 2. Check “Self-diagnosis result” with CONSULT. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009945069 1. CHECK IPDM E/R SELF-DIAGNOSTIC RESULT 1. Turn ignition switch ON. 2. Erase the DTC of IPDM E/R. 3. Turn ignition switch OFF. 4. Turn ignition switch ON and check the DTC again. Is DTC detected? YES >> Repair or replace the malfunctioning part. Refer to NO >> GO TO 2. 2. CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL Check voltage between BCM harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Replace BCM. Refer to BCS-88, "Removal and Installation" 3. CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect BCM and IPDM connectors. 3. Check continuity between BCM harness connector and IPDM E/R harness connector. Is the inspection result normal? YES >> Replace IPDM E/R. DTC No. Trouble diagnosis name DTC detecting condition Possible cause B26F1 IGN RELAY OFF BCM transmits the ignition relay control signal • Harness or connectors (Ignition relay circuit is open) • BCM (+) (–) Condition Voltage (V) (Approx.) BCM Connector Terminal M71 98 Ground Ignition switch ON 0 BCM IPDM E/R Continuity Connector Terminal Connector Terminal M71 98 E17 69 Existed |