Dtc P0507[L3 With Tc] - Mazda CX-7 2007 Workshop Manual

STEP
11 VERIFY TROUBLESHOOTING OF DTC P0506
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Start the engine.
• Clear the DTC from the PCM memory using
the M-MDS.
• Depress the brake pedal for 14 s or more.
• Is PENDING CODE for this DTC present?
12 VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTCs present?
End Of Sie

DTC P0507[L3 WITH TC]

DTC P0507 Idle control system RPM higher than expected
• Actual idle speed is higher than expected by 200 rpm for 14 s when the brake pedal is depressed (brake
switch is on) and steering wheel is held straight ahead (power steering pressure switch is off).
Note
• If the atmospheric pressure is less than 72.3 kPa {542 mmHg, 21.3 inHg} or the intake air temperature
is below –10 °C {14 °F}, the PCM cancels diagnosis of P0507.
DETECTION
Diagnostic support note
CONDITION
• This is a continuous monitor (CCM).
• 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.
• DTCs are stored in PCM memory.
• Electronic throttle control system malfunction
POSSIBLE
• Vacuum hose misconnection
CAUSE
• PCM malfunction
Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has the FREEZE FRAME DATA been
recorded?
2 VERIFY RELATED SERVICE INFORMATION
AVAILABILITY
• Check for related Service Bulletins and/or on-
line repair information availability.
• Is any related repair information available?
3 VERIFY RELATED PENDING OR STORED
DTCS
• Turn ignition switch to off, then ON position
(Engine off).
• Verify pending code or stored DTCs using the
M-MDS.
• Are other DTCs present?
4 INSPECT VACUUM HOSE CONNECTION
• Are the vacuum hoses connecting accurately?
(See01-13-4 VACUUM HOSE ROUTING
DIAGRAM[L3 WITH TC].)
01-02–162
ON-BOARD DIAGNOSTIC [L3 WITH TC]
INSPECTION
INSPECTION
Yes Replace the PCM, then go to the next step.
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No Troubleshooting completed.
Yes Go to the next step.
No Record FREEZE FRAME DATA on the repair order, then go
to the next step.
Yes Perform the repair or diagnosis according to the available
repair information.
• If the vehicle is not repaired, then go to the next step.
No Go to the next step.
Yes Repair applicable DTCs.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No Go to the next step.
Yes Go to the next step.
No Reconnect the vacuum hoses correctly, then go to step 6.
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