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PCS-50 < COMPONENT DIAGNOSIS > [POWER DISTRIBUTION SYSTEM] B260A IGNITION RELAY B260A IGNITION RELAY Description INFOID:0000000000964217 BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned DTC Logic INFOID:0000000000964218 DTC DETECTION LOGIC NOTE: . • If DTC B260A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to . • If DTC B260A is displayed with DTC B261A, first perform the trouble diagnosis for DTC B261A. Refer to . DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON under the following conditions, and wait for at least 2 seconds. - A/T selector lever is in the P or N position. - Release the brake pedal. 2. Check “Self diagnostic result” with CONSULT-III. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000000964219 1. CHECK DTC WITH IPDM E/R Check “Self diagnostic result” with CONSULT-III. Refer to Is DTC detected ? YES >> Repair or replace. NO >> GO TO 2. 2. CHECK IGNITION RELAY INPUT SIGNAL 1. Turn ignition switch OFF. 2. Disconnect BCM harness connector M121. 3. Check voltage between BCM harness connector and ground. Is the inspection result normal? YES >> GO TO 4. DTC No. Trouble diagnosis name DTC detecting condition Possible cause B260A IGNITION RELAY BCM detects a difference of signal for 2 second or • Harness or connectors (Ignition relay operation circuit is • IPDM E/R BCM Ground Voltage [V] Connector Terminal M121 47 Ground Battery voltage |