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Home >> Mazda >> 2007 >> 5 Grand Touring, 2.3 L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic [Automatic Transaxle) >> DTC P0708 >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has the FREEZE FRAME DATA been recorded?
Yes Go to the next step.
No Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line repair information availability.
  • Is any related repair information available?
Yes Perform repair or diagnosis according to the available repair information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 INSPECT TR SWITCH CONNECTOR FOR POOR CONNECTION 
  • Turn the ignition switch to the LOCK position.
  • Disconnect the TR switch connector.
  • Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
  • Are TR switch terminals normal?
Yes Go to the next step.
No Repair terminals or replace the TR switch, then go to Step 9.
(See TRANSAXLE RANGE (TR) SWITCH REMOVAL/INSTALLATION ).
4 INSPECT TR SWITCH  Yes Go to the next step.
No Replace the TR switch, then go to Step 9.
(See TRANSAXLE RANGE (TR) SWITCH REMOVAL/INSTALLATION ).
5 INSPECT PCM CONNECTOR FOR POOR CONNECTION 
  • Disconnect the PCM connector.
  • Inspect for poor connection at terminals 1S and 1AA (such as damaged/pulled-out pins, corrosion).
  • Is there any malfunction?
Yes Repair or replace the terminal, then go to step 9.
No Go to the next step.
6 INSPECT TR SWITCH SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY 
  • Turn the ignition switch to the ON position (engine off).
  • Inspect the voltage between TR switch terminal C and (wiring harness-side) body ground.
  • Is the voltage B+  ?
Yes Repair or replace the wiring harness for short to power supply, then go to Step 9.
No Go to the next step.
7 INSPECT TR SWITCH SIGNAL CIRCUIT FOR OPEN CIRCUIT 
  • Inspect for continuity between TR switch terminal C (wiring harness-side) and PCM terminal 1S.
  • Is there continuity?
Yes Go to the next step.
No Repair or replace the wiring harness for open circuit, then go to step 9.
8 INSPECT TR SWITCH GROUND CIRCUIT FOR OPEN CIRCUIT 
  • Inspect for continuity between TR switch terminal B (wiring harness-side) and PCM terminal 1AA.
  • Is there continuity?
Yes Go to the next step.
No Repair or replace the wiring harness for open circuit, then go to the next step.
9 VERIFY TROUBLESHOOTING OF DTC P0708 COMPLETED 
  • Make sure to reconnect all the disconnected connectors.
  • Clear the DTC from the memory using the WDS or equivalent.
  • Drive the vehicle for 100 s or more  under the following conditions:
    • Engine speed (RPM PID) 530 RPM or more 
    • Vehicle speed (VSS PID) 20 km/h {12 mph} or more 
  • Is the PENDING CODE present?
Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION ).
No No concern is detected. Go to the next step.
10 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC inspection.
No DTC troubleshooting completed.