DTC P0507 [L3]

BME010200500W04

DTC P0507

Idle control system RPM higher than expected

DETECTION CONDITION

• Actual idle speed is lower 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 less than 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).
• MIL illuminates if PCM detects the above malfunction conditions 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 PCM detects the above malfunction condition during first drive cycle.
• FREEZE FRAME DATA is available.
• DTC is stored in PCM memory.

POSSIBLE CAUSE

• IAC valve malfunction
• Accelerator cable misadjusted
• Actuator cable misadjusted
• 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 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
VERIFY RELATED PENDING OR STORED DTCS
• Turn ignition key to OFF, then ON (Engine OFF).
• Verify pending code or stored DTCs using WDS or equivalent.
• Is other DTC present?
Yes
Repair applicable DTCs.
No
Go to next step.
4
INSPECT IAC VALVE MALFUNCTION
• Perform IAC valve inspection.
• Is IAC valve okay?
Yes
Go to next step.
No
Replace IAC valve, then go to Step 9.
5
INSPECT ACCELERATOR CABLE FREE PLAY
• Turn ignition key to OFF.
• Is accelerator cable free play okay?
Yes
Go to next step.
No
Adjust accelerator cable free play, then go to Step 9.
6
INSPECT ACTUATOR CABLE FREE PLAY
• Is actuator cable adjustment okay?
Yes
Go to next step.
No
Adjust actuator cable free play, then go to Step 9.
7
INSPECT VACUUM HOSE CONNECTION
• Are vacuum hoses connected accurately?
Yes
Go to next step.
No
Reconnect vacuum hose accurately, then go to step 9.
8
VISUAL INSPECT THROTTLE VALVE
• Remove throttle body.
• Is throttle valve fully closed?
Yes
Go to next step.
No
Clean or replace throttle body, then go to next step.
9
VERIFY TROUBLESHOOTING OF DTC P0507 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Start engine.
• Clear DTC from PCM memory using WDS or equivalent.
• Depress brake pedal for 14 s or more.
• Is PENDING CODE of same DTC present?
Yes
Replace PCM, then go to next step.
No
Go to next step.
10
VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
• Is there any DTC present?
Yes
Go to applicable DTC troubleshooting.
No
Troubleshooting completed.