Dtc P0500[L3 With Tc] - Mazda CX-7 2007 Workshop Manual

STEP
8 VISUALLY INSPECT CMP SENSOR AND PULSE
WHEEL
• Visually inspect for CMP sensor and pulse
wheel.
• Is there any damage or chip on CMP sensor
and pulse wheel?
9 INSPECT CMP SENSOR
• Inspect CMP sensor.
(See01-40-45 CAMSHAFT POSITION (CMP)
SENSOR INSPECTION[L3 WITH TC].)
• Is the CMP sensor normal?
10 VERIFY TROUBLESHOOTING OF DTC P050B
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from the PCM memory using the M-
MDS.
• Perform the KOER self-test using the M-MDS.
(See01-02-13 DTC TABLE[L3 WITH TC].)
• Is the PENDING CODE for this DTC present?
11 VERIFY AFTER REPAIR PROCEDURE
• Perform the AFTER REPAIR PROCEDURE.
(See01-02-10 AFTER REPAIR
PROCEDURE[L3 WITH TC].)
• Are any DTC present?
End Of Sie

DTC P0500[L3 WITH TC]

DTC P0500 Vehicle speed sensor (VSS) circuit malfunction
• Wheel speed signal from the DSC HU/CM is below 3.7 km/h {2.3 mph} when the following conditions are
met:
— Neutral switch and CPP switch are off
— Load is above 40%
— Engine speed is 2,000 rpm or above
— Brake switch is OFF
Diagnostic support note
DETECTION
• This is a continuous monitor (CCM).
CONDITION
• 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.
• Front ABS wheel-speed sensor malfunction
• DSC malfunction
POSSIBLE
• Connector or terminal malfunction
CAUSE
• PCM malfunction
Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has the FREEZE FRAME PID DATA been
recorded?
2 VERIFY RELATED SERVICE INFORMATION
AVAILABILITY
• Check for related Service Information
availability.
• Is any related Service Information available?
3 VERIFY STORED DTC IN DSC HU/CM
• Turn the ignition switch to the ON position
(Engine off).
• Verify stored DTCs in the DSC HU/CM.
(See04-02-3 ON-BOARD DIAGNOSIS.)
• Are DTCs stored?
01-02–158
2007 Mazda CX-7 Workshop Manual (1871–1U–06B)
ON-BOARD DIAGNOSTIC [L3 WITH TC]
INSPECTION
INSPECTION
Yes Replace the suspected part, then go to Step 10.
No Go to the next step.
Yes Go to the next step.
No Replace the CMP sensor, then go to the next step.
Yes Replace the PCM, then go to the next step.
(See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH
TC].)
No Go to the next step.
Yes Go to the applicable DTC troubleshooting.
(See01-02-13 DTC TABLE[L3 WITH TC].)
No Troubleshooting completed.
Yes Go to the next step.
No Record FREEZE FRAME PID DATA on the repair order,
then go to the next step.
Yes Perform the repair or diagnosis according to available
Service Information.
• If the vehicle is not repaired, go to the next step.
No Go to the next step.
Yes Go to the appropriate DTC inspection.
(See04-02-3 ON-BOARD DIAGNOSIS.)
No Go to the next step.
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