DTC P0045:00 [MZ-CD 1.6]

id0102g8145700

DTC P0045:00

Variable boost control (VBC) solenoid valve control circuit open
DETECTION CONDITION
•  The PCM monitors the load on the VBC solenoid valve control circuit. If there is a open circuit between VBC solenoid valve terminal A and PCM terminal 2AV, the PCM determines that there is an open circuit in the VBC solenoid valve control circuit.
POSSIBLE CAUSE
•  VBC solenoid valve connector or terminal malfunction
•  PCM connector or terminal malfunction
•  Open circuit in the wiring harness between VBC solenoid valve terminal A and PCM terminal 2AV
•  VBC solenoid valve malfunction
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has the FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
•  Verify related service repair information availability.
•  Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
INSPECT VBC SOLENOID VALVE CONNECTOR CONDITION
•  Switch the ignition to off.
•  Disconnect the VBC solenoid valve connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 6.
No
Go to the next step.
4
INSPECT PCM CONNECTOR CONDITION
•  Disconnect the PCM connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 6.
No
Go to the next step.
5
INSPECT VBC SOLENOID VALVE CONTROL CIRCUIT FOR OPEN CIRCUIT
•  VBC solenoid valve and PCM connectors are disconnected.
•  Inspect for continuity between VBC solenoid valve terminal A (wiring harness-side) and PCM terminal 2AV (wiring harness-side).
•  Is there continuity?
Yes
Replace the VBC solenoid valve, then go to the next step.
(VBC solenoid valve internal circuit open)
No
Repair or replace the wiring harness for a possible open circuit, then go to the next step.
6
VERIFY THAT DTC P0045:00 TROUBLESHOOTING IS COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Run the vehicle under the FREEZE FRAME DATA stored condition.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM.
Go to the next step.
No
Go to the next step.
7
VERIFY AFTER REPAIR PROCEDURE
•  Perform the after repair procedure.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [MZ-CD 1.6].)
No
DTC troubleshooting completed.