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B142A IGNITION VOLTAGE SRC-87 < DTC/CIRCUIT DIAGNOSIS > C D E F G I J K L M A B SRC N O P B142A IGNITION VOLTAGE Description INFOID:0000000009761217 DTC B142A IGNITION VOLTAGE Ignition voltage is supplied to the air bag diagnosis sensor unit when the ignition is in the ON position. The air bag diagnosis sensor unit will monitor for low or high ignition voltage. PART LOCATION SRC-5, "Component Parts Location" . DTC Logic INFOID:0000000009761218 DTC DETECTION LOGIC With CONSULT DTC CONFIRMATION PROCEDURE (With CONSULT) 1. INSPECTION START Turn ignition switch ON. >> GO TO 2. 2. CHECK SELF-DIAG RESULT Check for the DTC on CONSULT. YES >> Refer to NO >> Inspection End. Diagnosis Procedure INFOID:0000000009761219 NOTE: Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using air bag warning lamp each time repair is finished. If malfunction is still observed, proceed to the next step. When malfunction is eliminated, further repair work is not required. 1. HARNESS CONNECTOR Is there any visible damage to the connector? YES >> Replace the harness. NO >> GO TO 2 2. WIRING HARNESS Is there any visible damage to the harness? YES >> Replace the harness. NO >> GO TO 3 3. AIR BAG DIAGNOSIS SENSOR UNIT CONSULT name DTC DTC detecting condition Repair order IGN VOLTAGE [LOW] B142A Ignition voltage low at air bag diagnosis sensor unit. Refer to . IGN VOLTAGE [HIGH] Ignition voltage high at air bag diagnosis sensor unit. |