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2014 - Mazda6 - Transmission/Transaxle

STARTER DOES NOT WORK [FW6A-EL]



TROUBLESHOOTING ITEM

Starter does not work

DESCRIPTION

  • Starter does not work even when in P or N position.

POSSIBLE CAUSE

  • Wiring harness between TCM terminal J and PCM terminal 2BD malfunction

  • Wiring harness between TCM terminal J, start stop unit terminal 1F and LF control unit terminal K malfunction (With advanced keyless entry system)

  • Immobilizer system operating or system malfunction

  • Engine control system malfunction


Diagnostic procedure

STEP

INSPECTION

ACTION

1

INSPECT WIRING HARNESS BETWEEN TCM AND PCM
  • Switch the ignition off.

  • Disconnect the PCM connector.

  • Disconnect the TCM connector.

  • Visually inspect for pin deformity, open circuit, or wiring harness non-insulation between TCM terminal J and PCM terminal 2BD.

  • Is there any malfunction?

Yes

Repair or replace any malfunctioning parts according to the inspection result.

No

Without advanced keyless entry system:

  • Go to step3.

With advanced keyless entry system:

  • Go to the next step.

2

INSPECT WIRING HARNESS BETWEEN TCM, START STOP UNIT AND LF CONTROL UNIT
  • Switch the ignition off.

  • Disconnect the start stop unit connector.

  • Disconnect the TCM connector.

  • Disconnect the LF control unit connector.

  • Visually inspect for pin deformity, open circuit, or wiring harness non-insulation between TCM terminal J, start stop unit terminal 1F and LF control unit terminal K.

  • Is there any malfunction?

Yes

Repair or replace any malfunctioning parts according to the inspection result.

No

Go to the next step.

3

INSPECT IMMOBILIZER SYSTEM AND ENGINE CONTROL SYSTEM FOR MALFUNCTION

Yes

Repair or replace any malfunctioning parts according to the inspection result.

No

Symptom troubleshooting is completed.




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