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Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic [Automatic Transaxle F5SA-El] >> DTC P0773:00 >> Diagnostic Procedure

Diagnostic Procedure

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has the FREEZE FRAME DATA been recorded on the repair order?
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 COUPLER COMPONENT CONNECTOR FOR POOR CONNECTION 
  • Switch the ignition OFF.
  • Disconnect the coupler component connector.
  • Inspect for poor connection (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.
4 INSPECT SHIFT SOLENOID E CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY 
  • Switch the ignition OFF.
  • Measure the voltage between the coupler component terminal F (wiring harness-side) and body GND.
  • Is the voltage B+?
Yes Repair or replace the wiring harness for a possible short to power supply, then go to Step 9.
No Go to the next step.
5 INSPECT SHIFT SOLENOID E CONTROL CIRCUIT FOR SHORT TO GND 
  • Switch the ignition OFF.
  • Inspect for continuity between the coupler component terminal F (wiring harness-side) and body GND.
  • Is there continuity?
Yes Repair or replace the wiring harness for a possible short to GND, then go to Step 9.
No Go to the next step.
6 INSPECT SHIFT SOLENOID E  Yes Replace the shift solenoid E, then go to Step 9.
(See SOLENOID VALVE REMOVAL/INSTALLATION .)
No Go to the next step.
7 INSPECT TCM CONNECTOR FOR POOR CONNECTION 
  • Switch the ignition OFF.
  • Disconnect the TCM connector.
  • Inspect for poor connection (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.
8 INSPECT SHIFT SOLENOID E CONTROL CIRCUIT FOR OPEN CIRCUIT 
  • Switch the ignition OFF.
  • Inspect for continuity between the coupler component terminal F (wiring harness-side) and TCM terminal AK (wiring harness-side).
  • Is there continuity?
Yes Go to the next step.
No Repair or replace the wiring harness for a possible open circuit, then go to the next step.
9 VERIFY DTC TROUBLESHOOTING COMPLETED 
  • Make sure to reconnect all the disconnected connectors.
  • Clear the DTC using the M-MDS.
  • Perform the following procedure to ensure that the DTC has been resolved:
    • Make sure that the gears shift smoothly from 1GR to 5GR.
    • Make sure that TCC operates smoothly.
  • Is the same DTC present?
Yes Replace the TCM, then go to the next step.
(See TCM REMOVAL/INSTALLATION .)
No Go to the next step.
10 VERIFY NO DTCs ARE PRESENT  Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE .)
No DTC troubleshooting completed.