Mazda 3 Workshop Manual page 343

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
Diagnostic procedure
STEP INSPECTION
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
• Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
• Verify related service repair information
2
availability.
• Is any related repair information
available?
VERIFY CMP SENSOR VOLTAGE
• Disconnect the CMP sensor connector.
• Connect voltmeter between CMP sensor
3 terminals A and B (sensor-side).
• Inspect the voltage in AC range while
cranking the engine.
• Is any voltage reading?
INSPECT POOR CONNECTION OF CMP
4
SENSOR CONNECTOR
Downloaded from
Yes Go to the next step.
No
Yes
No Go to the next step.
Yes Go to the next step.
No Go to step 10.
Yes Go to the next step.
No Reconnect the connector, then go to Step 11.
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ACTION
Record the FREEZE FRAME DATA on repair
order, then go to the next step.
Perform repair or diagnosis according to the
available repair information.
• If the vehicle is not repaired, go to the next
step.
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