3 Will Not Crank [Lf] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
Diagnostic procedure
STEP INSPECTION
Connect the WDS or equivalent to the
DLC-2.
1
Retrieve any DTC.
Are there DTC displayed?
Verify test results.
• If normal, return to diagnostic index to service any additional symptoms.
(See ENGINE SYMPTOM TROUBLESHOOTING
• If malfunction remains, inspect related Service information perform repair or diagnosis.
2
- If vehicle repaired, troubleshooting completed.
- If vehicle not repaired or additional diagnostic information not available, replace the
PCM.
(See PCM REMOVAL/INSTALLATION
3
The starter does not work.
DESCRIPTION
• Open starter circuit between ignition switch and starter
• Low or dead battery
• Charging system malfunction
• Starter malfunction
POSSIBLE CAUSE
• Seized/hydrolocked engine, flywheel
• Immobilizer system and/or circuit malfunction (if equipped)
• Immobilizer system operating properly (Ignition key is not registered)
Diagnostic procedure
Downloaded from
• If the MIL blinks at steady rate, misfire condition could possibly exist.
RESULTS
Yes
No
NO.3 WILL NOT CRANK [LF]
WILL NOT CRANK
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ACTION
DTC is displayed:
• Go to the appropriate DTC inspection.
(See DTC TABLE [LF].)
No DTC is displayed:
• Inspect instrument cluster operation.
(See INSTRUMENT CLUSTER
INSPECTION.)
[LF].)
[LF].)
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B3E010318881W05