DTC P0232[AJ (3.0L Duratec)]


id0102a4819900

DTC P0232

FP secondary circuit high

DETECTION CONDITION
•  If input voltage at PCM terminal 40 is remains high, PCM determines that FP secondary circuit has a malfunction.
POSSIBLE CAUSE
•  Fuel pump relay malfunction
•  Connector or terminal malfunction
•  Short to power circuit in wiring between fuel pump relay terminal B and PCM terminal 80
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has FREEZE FRAME DATA been recorded?
Yes
Go to next step.
No
Record FREEZE FRAME DATA on repair order, then go to next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Check for related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to available Service Information.
•  If vehicle is not repaired, go to next step.
No
Go to next step.
3
INSPECT FUEL PUMP RELAY CONNECTOR FOR POOR CONNECTION
•  Turn the ignition switch off.
•  Disconnect the fuel pump relay.
•  Check for poor connection (damaged/pulled-out pins, corrosion, etc.).
•  Is there malfunction?
Yes
Repair or replace terminal, then go to Step 7.
No
Go to next step.
4
INSPECT PCM CONNECTOR FOR POOR CONNECTION
•  Turn the ignition switch off.
•  Disconnect PCM connector.
•  Check for poor connection (damaged/pulled-out pins, corrosion, etc.).
•  Is there malfunction?
Yes
Repair or replace terminal, then go to Step 7.
No
Go to next step.
5
INSPECT FUEL PUMP CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY
•  Turn the ignition switch to the ON position (Engine OFF).
•  Measure voltage between fuel pump relay connector terminal B (harness-side) and body ground.
•  Is the voltage B+?
Yes
Repair or replace the wiring harness for short to power, then go to Step 7.
No
Go to next step.
6
INSPECT FUEL PUMP RELAY
•  Inspect the fuel pump relay.
•  Is there any malfunction?
Yes
Replace the fuel pump relay, then go to next step.
No
Go to next step.
7
VERIFY TROUBLESHOOTING OF DTC P0232 COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear DTC from memory using M-MDS.
•  Start engine.
•  Perform “KOEO/KOER self-test”
•  Is same DTC present?
Yes
Replace PCM, then go to next step.
No
Go to next step.
8
VERIFY AFTER REPAIR PROCEDURE
•  Perform "AFTER REPAIR PROCEDURE".
•  Is there any DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.