AUTOMATIC TRANSMISSION SYSTEM (for 1KD-FTV) TCM Power Source Circuit

DESCRIPTION

When the ignition switch is turned ON, battery voltage is applied to terminal IG2 of the TCM.

WIRING DIAGRAM

A01DYHUE05

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT FUSE (IGN)


    1. A01E308E01

      Remove the IGN fuse from the instrument panel junction block.

    2. Measure the resistance of the fuse.

      Standard Resistance
      Below 1 Ω

    NG

    REPLACE FUSE

    OK

  2. INSPECT IGNITION SWITCH


    1. A01DYKBE01

      Disconnect the I6 ignition switch connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      5 (AM2) - 6 (IG2) OFF 10 kΩ or higher
      5 (AM2) - 6 (IG2) ON Below 1 Ω

    NG

    REPLACE IGNITION SWITCH

    OK

  3. CHECK HARNESS AND CONNECTOR (TCM - BODY GROUND)


    1. A01E2RLE08

      Disconnect the T19 TCM connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      T19-1 (E1) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK TCM (TCM - BATTERY)


    1. A01E18XE25

      Turn the ignition switch to ON.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      T38-6 (IG2) - T19-1 (E1) Ignition switch ON 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE TCM