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
B00D5 front passenger air bag off indicator
U1000 CAN COMM circuitP0520 EOP sensor
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0520
EOP SENSOR/SWITCH
(Engine oil pressure sensor/switch circuit)
Signal voltage from the EOP sensor remains at more than 5.02 V /
less than
...
Precautions
Description]
Observe the following precautions to ensure safe and proper servicing. These
precautions are not
described in each individual section.
Precaution for supplemental restraint system
(srs) "air bag" and "seat belt pre-tensioner"
The Supplemental Restraint System ...
Remote keyless entry (if so equipped)
CAUTIONDo not leave the ignition key inside the
vehicle when you leave the vehicle.
key number plate is supplied with your keys.
Record the key number and keep it in a safe place
(such as your wallet), not in the vehicle. If you lose
your keys, see a NISSAN dealer for duplicates ...