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 DTC P2103 [L3 Turbo]

DTC P2103 [L3 Turbo]


id0102b7811300

DTC P2103

Throttle actuator circuit high input

DETECTION CONDITION

• PCM monitors the throttle actuator circuit current. If the PCM detects that the throttle actuator circuit current is excessively high, the PCM determines that the electronic throttle actuator circuit has a malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
• MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA is available.
• DTCs are stored in PCM memory.

POSSIBLE CAUSE

• Short to the power supply between throttle body terminal E and PCM terminal 4AB
• Throttle valve motor malfunction
• PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA AND DIAGNOSTIC MONITORING TEST RESULTS HAS BEEN RECORDED
• Has 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 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 CONTROL CIRCUIT OF THROTTLE ACTUATOR FOR SHORT TO POWER SUPPLY
• Turn the ignition switch to off.
• Disconnect the throttle body and PCM connectors.
• Turn ignition switch to the ON position (Engine off).
• Measure the voltage between throttle body terminal E (harness-side) and body ground.
• Is the voltage B+?
Yes
Repair or replace the wiring harness for a short to power supply, then go to Step 5.
No
Go to the next step.
4
INSPECT THROTTLE ACTUATOR
• Inspect the throttle actuator.
• Is it normal?
Yes
Go to the next step.
No
Replace the throttle body, then go to the next step.
5
VERIFY TROUBLESHOOTING OF DTC P2103 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Turn ignition switch to the ON position (Engine off).
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine and warm it up completely.
• Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
No
Go to the next step.
6
VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
Troubleshooting completed.