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Diagnostic procedure

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DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY DTC OUTPUT STATUS
  • Is the DTC P1738:00 also present?
 Yes Go to the applicable DTC inspection.
(See DTC P1738:00 [TCM (FW6A-EL)] .)
No Go to the next step.
2 RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
NOTE:
  • Recording can be facilitated using the screen capture of the PC function.
  • Record the freeze frame data/snap shot data.
 - Go to the next step.
3 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.
4 PERFORM ON-BOARD DIAGNOSTIC TEST
  • Perform the following procedure to ensure that the DTC has been resolved:
    1. Start the engine.
    2. Verify that the ATF temperature is 55 °C {131 °F} or more.
  • Perform the on-board diagnostic test. (See ON-BOARD DIAGNOSTIC TEST MODE [TCM (FW6A-EL)] .)
  • Are P0771:00 present?
 Yes Replace the control valve body, then go to the next step.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL] .)
No No DTCs are displayed:
  • Drive the vehicle to check it, and if there is no problem then the DTC troubleshooting is complete.

    If a DTC other than the one indicated on the left is displayed:

  • Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (FW6A-EL)] .)
5 RE-PERFORM ON-BOARD DIAGNOSTIC TEST
  • Perform the following procedure to ensure that the DTC has been resolved:
    1. Start the engine.
    2. Verify that the ATF temperature is 55 °C {131 °F} or more.
  • Perform the on-board diagnostic test. (See ON-BOARD DIAGNOSTIC TEST MODE [TCM (FW6A-EL)] .)
  • Are any DTCs present?
 Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (FW6A-EL)] .)
No DTC troubleshooting completed.
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