DTC B1520[PJB]
id090208834300
|
DTC B1520 |
Bonnet latch switch circuit open |
|---|---|
|
DETECTION CONDITION
|
Open circuit in wiring harness between PJB and bonnet latch switch
|
|
POSSIBLE CAUSE
|
• Open circuit in wiring harness between PJB terminal J-02 Y and front door latch and bonnet latch switch terminal A
• Bonnet latch switch malfunction
• PJB malfunction
|
 |
|
Diagnostic procedure
|
STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
INSPECT BONNET LATCH SWITCH CONNECTOR
• Turn the ignition switch off.
• Disconnect the bonnet latch switch connector.
• Inspect the bonnet latch switch connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace the terminal, then go to Step 5.
|
|
No
|
Go to the next step.
|
||
|
2
|
INSPECT PJB CONNECTOR
• Disconnect the PJB connector.
• Inspect the PJB connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace the terminal, then go to Step 5.
|
|
No
|
Go to the next step.
|
||
|
3
|
INSPECT BONNET LATCH SWITCH SIGNAL CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between PJB terminal J-02 Y (wiring harness-side) and bonnet latch switch terminal A (wiring harness-side).
• Is there continuity?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace the wiring harness for a possible open circuit, then go to Step 5.
|
||
|
4
|
INSPECT BONNET LATCH SWITCH
• Inspect the bonnet latch switch.
• Is there any malfunction?
|
Yes
|
Replace the bonnet latch switch, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
5
|
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PJB memory using the M-MDS.
• Perform the self-test.
(See PJB SELF-TEST[PJB].)
• Is the same DTC present?
|
Yes
|
Replace the PJB.
|
|
No
|
DTC troubleshooting completed.
|
||