DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 77 (Motor Generator Control System (AWD) - Diagnostic Codes (5 Of 5)) >> MOTOR GENERATOR CONTROL SYSTEM (for AWD) >> DTC P1CAC-49: Generator Position Sensor Internal Electronic Failure; DTC P1C64-1F: Generator Control Module Circuit Intermittent; DTC P1CAF-38: Generator Position Sensor REF Signal Cycle Malfunction Signal Frequency Incorrect [12/2019 - 11/2023] >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different variant/trim than selected.

HINT: 

  1. Connect the GTS to the DLC3.
  2. Turn the ignition switch to ON and turn the GTS on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the ignition switch off and wait for 2 minutes or more.
  5. Turn the ignition switch to ON and turn the GTS on.
  6. With ignition switch ON and wait for 5 seconds or more.* [*1]

    *: Lightly wiggle the connectors and wire harnesses up and down and right and left.

  7. Turn the ignition switch to ON (READY) and wait for 5 seconds or more. [*2]
  8. Depress the accelerator pedal of the vehicle with the engine stopped and shift lever in P to start the engine. [*3]
  9. Keep the engine running for 5 seconds or more. [*4]
  10. Drive the vehicle forward with the shift lever in D for 5 m (16 ft.) or more. [*5]
  11. Drive the vehicle backward with the shift lever in R for 5 m (16 ft.) or more. [*6]

    HINT: 

    [*1] to [*6]: Normal judgment procedure.

    The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

  12. Enter the following menus: Powertrain / Motor Generator / Utility / All Readiness.
  13. Check the DTC judgment result.

    HINT: 

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE, perform the normal judgment procedure again.