Description
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
Refer to SRC-6, "Component Parts Location".
DTC Logic
DTC DETECTION LOGIC
With CONSULT
CONSULT name |
DTC |
DTC detecting condition |
Repair order |
IGN VOLTAGE [LOW] | B142A | Ignition voltage low at air bag diagnosis sensor unit. | Refer to SRC-93, "Diagnosis Procedure". |
IGN VOLTAGE [HIGH] | Ignition voltage high at air bag diagnosis sensor unit. |
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.
Is the DTC detected? YES >> Refer to SRC-93, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
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 or NO YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness? YES or NO YES >> Replace the harness.
NO >> GO TO 3
3.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-26, "Removal and Installation".
>> GO TO 4
4.RELATED HARNESS
Replace the related harness.
>> END
Steering switch
Description
When one of the steering switches is pushed, the resistance in the steering
switch changes the signal to
identify which button is controlling the information display.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram".
1.CHECK STE ...
Both doors mirror defogger don’t operate but rear window defogger operates
Diagnosis Procedure
Regarding Wiring Diagram information, refer to DEF-12, "Wiring Diagram".
1. CHECK DOOR MIRROR DEFOGGER FUSE
Check if the following fuse in fuse block (J/B) is blown.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse af ...
Radiator
RADIATOR CAP
RADIATOR CAP : Inspection
CHECKING RADIATOR CAP
Inspect the radiator cap.
Replace the cap if the metal plunger cannot be seen around the
edge of the black rubber gasket.
Replace the cap if deposits of waxy residue or other foreign
material are on th ...