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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 888 (Automatic Transmission) >> DTC/Circuit Diagnosis >> DTC P0705: Transmission Range Switch A >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TRANSMISSION RANGE SWITCH CIRCUIT 

    With CONSULT 

    1. Turn ignition switch "ON". (Do not start engine.)
    2. Select "SELECTION FROM MENU" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT.
    3. Check if correct selector lever position (N/P, R or D) is displayed as selector lever is moved into each position.
      Item name Condition Display value
      SLCTLVR POSI Selector lever in "N", "P" positions. N/P
      Selector lever in "R" position. R
      Selector lever in "D" position. D
      Selector lever in "4" position. 4
      Selector lever in "3" position. 3
      Selector lever in "2" position. 2
      Selector lever in "1" position. 1

      OK or NG 

      OK: GO TO  5.

      NG: GO TO 2.

  2. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT 

    Perform TCM power supply and ground circuit. Refer to "DIAGNOSIS PROCEDURE ".

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace damaged parts.

  3. DETECT MALFUNCTIONING ITEM 

    Check the following items:

    • A/T assembly harness connector pin terminals for damage or loose connection with harness connector.

      OK or NG 

      OK: GO TO 4.

      NG: Repair or replace damaged parts.

  4. CHECK SUB-HARNESS 
    1. Remove control valve with TCM. Refer to "CONTROL VALVE WITH TCM ".
    2. Disconnect transmission range switch connector and TCM connector.
    3. Check continuity between transmission range switch connector (A) terminals and TCM connector (B) terminals.
      Item Connector Terminal Continuity
      Transmission range switch connector F505 1 Yes
      TCM connector F503 13
      Transmission range switch connector F505 2 Yes
      TCM connector F503 11
      Transmission range switch connector F505 3 Yes
      TCM connector F503 12
      Transmission range switch connector F505 5 Yes
      TCM connector F503 14
      Fig 1: Checking Continuity Between Transmission Range Switch Connector Terminals And TCM Connector Terminals
      G06577786Courtesy of NISSAN NORTH AMERICA, INC.
    4. If OK, check harness for short to ground and short to power.
    5. Reinstall any part removed.

      OK or NG 

      OK: Replace the control valve with TCM. Refer to "CONTROL VALVE WITH TCM ".

      NG: Replace open circuit or short to ground and short to power in harness or connectors.

  5. CHECK DTC 

    Perform "DTC Confirmation Procedure".

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