Automatic Transmission System (For 1Gr-Fe) Transmission Control Switch Circuit

Drivetrain. Land Cruiser. Urj200, 202 Grj200 Vdj200
A750F Automatic Transmission Transaxle. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT TRANSMISSION CONTROL SWITCH

CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BATTERY, BODY GROUND)

CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM)

AUTOMATIC TRANSMISSION SYSTEM (for 1GR-FE) - Transmission Control Switch Circuit


DESCRIPTION

When moving the shift lever to S using the transmission control switch, it is possible to switch the shift range between "1" (1st range) and "5" (5th range).
Shifting to "+" once raises the shift range by one, and shifting to "-" lowers the shift range by one.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission System (For 1Gr-Fe)  Transmission Control Switch Circuit


INSPECTION PROCEDURE

1.INSPECT TRANSMISSION CONTROL SWITCH


    Land Cruiser. Urj200, 202 Grj200 Vdj200.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission System (For 1Gr-Fe)  Transmission Control Switch Circuit
  1. Disconnect the transmission control switch connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    3 (IG) - 7 (S)
    Shift lever in S, "+" or "-"
    Below 1 Ω
    2 (SFTU) - 5 (E)
    Shift lever held in "+"
    (Up-shift)
    Below 1 Ω
    1 (SFTD) - 5 (E)
    Shift lever held in "-"
    (Down-shift)
    Below 1 Ω
    3 (IG) - 7 (S)
    Shift lever not in S, "+" or "-"
    10 kΩ or higher
    2 (SFTU) - 5 (E)
    Shift lever in S
    10 kΩ or higher
    1 (SFTD) - 5 (E)
    Shift lever in S
    10 kΩ or higher
    Text in Illustration
    *a
    Front view of wire harness connector
    (Transmission Control Switch)


NG
REPLACE TRANSMISSION CONTROL SWITCH (LOWER SHIFT LEVER ASSEMBLY) (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BATTERY, BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission System (For 1Gr-Fe)  Transmission Control Switch Circuit
  1. Disconnect the transmission control switch connector.

  1. Turn the engine switch on (IG).

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

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    E52-3 (IG) - Body ground
    Engine switch on (IG)
    11 to 14 V
    E52-3 (IG) - Body ground
    Engine switch off
    Below 1 V
  1. Turn the engine switch off.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    E52-5 (E) - Body ground
    Always
    Below 1 Ω
Text in Illustration
*a
Front view of wire harness connector
(to Transmission Control Switch)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission System (For 1Gr-Fe)  Transmission Control Switch Circuit
  1. Disconnect the ECM connector.

  1. Turn the engine switch on (IG).

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

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    A38-25 (S) - Body ground
    1. Engine switch on (IG)
    2. Shift lever in S, "+" or "-"
    11 to 14 V
    A38-25 (S) - Body ground
    1. Engine switch on (IG)
    2. Shift lever not in S, "+" or "-"
    Below 1 V
  1. Turn the engine switch off.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    A38-38 (SFTU) - Body ground
    Shift lever held in "+"
    (Up-shift)
    Below 1 Ω
    A38-27 (SFTD) - Body ground
    Shift lever held in "-"
    (Down-shift)
    Below 1 Ω
    A38-38 (SFTU) - Body ground
    Shift lever in S
    10 kΩ or higher
    A38-27 (SFTD) - Body ground
    Shift lever in S
    10 kΩ or higher
Text in Illustration
*a
Front view of wire harness connector
(to ECM)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)