DTC P0507 [AJ]

BME010200500204

DTC P0507

Idle control system RPM higher than expected

DETECTION CONDITION

• Actual idle speed is higher than expected by 200 rpm for 14 s, when brake pedal is depressed (brake switch is ON) and steering wheel is held straight ahead (power steering pressure switch is OFF).
Note
• If atmospheric pressure is below 72.3 kPa {542 mmHg, 21.3 inHg} or intake air temperature is below -10 °C {14 °F}, PCM cancels diagnosis of P0507.
Diagnostic support note
• This is a continuous monitor (CCM).
• The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA is available.
• DTC is stored in PCM memory.

POSSIBLE CAUSE

• IAC valve malfunction
• Accelerator cable misadjusting
• Actuator cable misadjusting
• Throttle valve malfunction
• Vacuum hose misconnection
• PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

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 repair order, then go to the 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 the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING OR STORED DTCS
• Turn the ignition switch off, then to the ON position (Engine off).
• Verify pending code or stored DTCs using WDS or equivalent.
• Is other DTC present?
Yes
Repair applicable DTCs.
No
Go to the next step.
4
INSPECT IAC VALVE MALFUNCTION
• Perform IAC valve inspection.
• Is the IAC valve normal?
Yes
Go to the next step.
No
Replace the IAC valve, then go to Step 9.
5
INSPECT ACCELERATOR CABLE FREE PLAY
• Turn the ignition switch off.
• Is accelerator cable free play normal?
Yes
Go to the next step.
No
Adjust accelerator cable free play, then go to Step 9.
6
INSPECT ACTUATOR CABLE FREE PLAY
• Is actuator cable adjustments normal?
Yes
Go to the next step.
No
Adjust actuator cable free play, then go to Step 9.
7
INSPECT VACUUM HOSE CONNECTION
• Are vacuum hoses connecting accurately?
Yes
Go to the next step.
No
Reconnect vacuum hose accurately, then go to step 9.
8
VISUAL INSPECT THROTTLE VALVE
• Remove throttle body.
• Is the throttle valve fully closed?
Yes
Go to the next step.
No
Clean or replace the throttle body, then go to the next step.
9
VERIFY TROUBLESHOOTING OF DTC P0507 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Start the engine.
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Depress brake pedal for 14.1 s or above.
• Is the PENDING CODE of same DTC present?
Yes
Replace the PCM, then go to the next step.
No
Go to the next step.
10
VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
• Is there any DTC present?
Yes
Go to the applicable DTC inspection.
No
Troubleshooting completed.