|
1
|
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
|
Yes
|
Go to the next step.
|
|
No
|
Record FREEZE FRAME DATA on the repair order, then go to the next step.
|
|
2
|
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
|
Yes
|
Perform repair or diagnosis according to the available Service Information.
• If the vehicle is not repaired, go to the next step.
|
|
No
|
Go to the next step.
|
|
3
|
INSPECT PCV VALVE HEATER CONTROL AND PCV VALVE HEATER FITTING CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect PCV valve heater control and PCV valve heater fitting connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Are there any malfunction?
|
Yes
|
Repair or replace suspected part, then go to Step 10.
|
|
No
|
Go to the next step.
|
|
4
|
INSPECT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Turn the ignition switch to the ON position (Engine off).
• Inspect the voltage between the following circuit:
-
― PCV valve heater control terminal A (wiring harness-side) and body ground
― PCV valve heater fitting terminal A (wiring harness-side) and body ground
• Are there voltage B+?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace suspected part, then go to Step 10.
|
|
5
|
INSPECT PCV VALVE HEATER CONTROL AND PCV VALVE HEATER FITTING CIRCUIT FOR SHORT TO POWER SUPPLY
• Turn the ignition switch to the ON position (Engine off).
• Inspect for continuity between the following circuit:
-
― PCV valve heater control terminal B (wiring harness-side) and body ground
― PCV valve heater fitting terminal B (wiring harness-side) and body ground
• Are there voltage B+?
|
Yes
|
Repair or replace suspected part, then go to Step 10.
|
|
No
|
Go to the next step.
|
|
6
|
INSPECT PCV VALVE HEATER CONTROL AND PCV VALVE HEATER FITTING CIRCUIT FOR SHORT TO GROUND
• Inspect for continuity between the following circuit:
-
― PCV valve heater control terminal B (wiring harness-side) and body ground
― PCV valve heater fitting terminal B (wiring harness-side) and body ground
• Are there continuity?
|
Yes
|
Repair or replace suspected part, then go to Step 10.
|
|
No
|
Go to the next step.
|
|
7
|
INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect PCM connector.
• Inspect for poor connection (such as damaged/ pulled-out pins, corrosion).
• Are there any malfunction?
|
Yes
|
Repair or replace suspected part, then go to Step 10.
|
|
No
|
Go to the next step.
|
|
8
|
INSPECT PCV VALVE HEATER CONTROL AND PCV VALVE HEATER FITTING FOR OPEN CIRCUIT
• Inspect for continuity between the following circuit:
-
― PCV valve heater control terminal B (wiring harness-side) and PCM terminal 2BL (wiring harness-side)
― PCV valve heater fitting B (wiring harness-side) and PCM terminal 2AU (wiring harness-side)
• Are there continuity?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace suspected part, then go to Step 10.
|
|
9
|
INSPECT PCV VALVE HEATER CONTROL AND PCV VALVE HEATER FITTING
• Inspect the PCV valve heater control and PCV valve heater fitting.
• Is there any malfunction?
|
Yes
|
Replace the malfunctioning part, then go to the next step.
|
|
No
|
Go to the next step.
|
|
10
|
VERIFY TROUBLESHOOTING OF DTC P053A HAS BEEN COMPLETED
• Verify that all disconnected connectors reconnected.
• Clear the DTC from the PCM memory using the M-MDS.
• Perform the “KOEO or KOER self-test” using the M‐MDS.
• Is the PENDING CODE for the DTC present?
|
Yes
|
Replace the PCM, then go to the next step.
|
|
No
|
Go to the next step.
|
|
11
|
VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
Troubleshooting completed.
|
