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
P0448 EVAP canister vent control valve
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0448
VENT CONTROL VALVE
(Evaporative emission system vent control
circuit shorted)
EVAP canister vent control valve remains closed under specif ...
Door switch
WITH INTELLIGENT KEY
WITH INTELLIGENT KEY : Component Function Check
1.CHECK FUNCTION
Select "DOOR LOCK" of "BCM" using CONSULT.
Select "DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", in "Data
Monitor&quo ...
Power supply and ground circuit
WITH INTELLIGENT KEY SYSTEM
WITH INTELLIGENT KEY SYSTEM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-50, "Wiring Diagram".
1. CHECK FUSE
Check that the following fuse is not blown.
Terminal No.
Signal name
Fuse No.
161
BCM power sup ...