Power Steering System (W/ Variable Flow Control Solenoid Valve) Drive Mode Select Switch Circuit

Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200
Power Assist Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

CHECK HARNESS AND CONNECTOR

INSPECT DRIVE MODE SELECT SWITCH (INTEGRATION CONTROL & PANEL ASSEMBLY)

CHECK HARNESS AND CONNECTOR

POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve) - Drive Mode Select Switch Circuit


DESCRIPTION

The characteristics of the electronic throttle, PPS and automatic transmission change by operating the drive mode select switch (integration control & panel assembly).

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Power Assist Systems.Power Steering System.Power Steering System (W/ Variable Flow Control Solenoid Valve) Drive Mode Select Switch Circuit


INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

  1. Check for DTCs.

Result
Result
Proceed to
CAN communication system DTCs are not output
A
CAN communication system DTCs are output (for LHD)
B
CAN communication system DTCs are output (for RHD)
C


B
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)
A


2.CHECK HARNESS AND CONNECTOR

  1. Turn the engine switch off.

  1. Disconnect the V8 drive mode select switch (integration control & panel assembly) connector.



    Land Cruiser. Urj200, 202 Grj200 Vdj200.Power Assist Systems.Power Steering System.Power Steering System (W/ Variable Flow Control Solenoid Valve) Drive Mode Select Switch Circuit

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    V8-5 (E) - Body ground
    		Always
    		Below 1 Ω
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Drive mode select switch (integration control & panel assembly))


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.INSPECT DRIVE MODE SELECT SWITCH (INTEGRATION CONTROL & PANEL ASSEMBLY)

  1. Inspect drive mode select switch (integration control & panel assembly).

    1. for AB60F: Click here.
    2. for AE80F: Click here.
    OK:
    Drive mode select switch (integration control & panel assembly) is normal.
    Result
    Result
    		Proceed to
    OK
    		A
    NG
    		for AB60F
    		B
    for AE80F
    		C


B
REPLACE DRIVE MODE SELECT SWITCH (INTEGRATION CONTROL & PANEL ASSEMBLY) (Click here)

C
REPLACE DRIVE MODE SELECT SWITCH (INTEGRATION CONTROL & PANEL ASSEMBLY) (Click here)
A


4.CHECK HARNESS AND CONNECTOR

  1. Reconnect the V8 drive mode select switch (integration control & panel assembly) connector.

  1. Disconnect the A38*1 or A52*2 ECM connector.

    1. *1: except 1VD-FTV (w/o DPF) (for RHD)
    2. *2: for 1VD-FTV (w/o DPF) (for RHD)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Power Assist Systems.Power Steering System.Power Steering System (W/ Variable Flow Control Solenoid Valve) Drive Mode Select Switch Circuit

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

    Standard Resistance:
    for 3UR-FE
    Tester Connection
    		Condition
    		Specified Condition
    A38-34 (PWMS) - Body ground
    		SPORT mode switch being turned and held
    		Below 50 Ω
    A38-34 (PWMS) - Body ground
    		SPORT mode switch not turned
    		10 kΩ or higher
    A38-49 (SPCN) - Body ground
    		NORMAL mode switch being pushed and held
    		Below 50 Ω
    A38-49 (SPCN) - Body ground
    		NORMAL mode switch not pushed
    		10 kΩ or higher
    for 1UR-FE
    Tester Connection
    		Condition
    		Specified Condition
    A38-39 (PWMS) - Body ground
    		SPORT mode switch being turned and held
    		Below 50 Ω
    A38-39 (PWMS) - Body ground
    		SPORT mode switch not turned
    		10 kΩ or higher
    A38-22 (SPCN) - Body ground
    		NORMAL mode switch being pushed and held
    		Below 50 Ω
    A38-22 (SPCN) - Body ground
    		NORMAL mode switch not pushed
    		10 kΩ or higher
    for 1VD-FTV (w/ DPF)
    Tester Connection
    		Condition
    		Specified Condition
    A38-39 (PWMS) - Body ground
    		SPORT mode switch being turned and held
    		Below 50 Ω
    A38-39 (PWMS) - Body ground
    		SPORT mode switch not turned
    		10 kΩ or higher
    A38-43 (SPCN) - Body ground
    		NORMAL mode switch being pushed and held
    		Below 50 Ω
    A38-43 (SPCN) - Body ground
    		NORMAL mode switch not pushed
    		10 kΩ or higher
    for 1VD-FTV (w/o DPF) (for LHD)
    Tester Connection
    		Condition
    		Specified Condition
    A38-39 (PWMS) - Body ground
    		SPORT mode switch being turned and held
    		Below 50 Ω
    A38-39 (PWMS) - Body ground
    		SPORT mode switch not turned
    		10 kΩ or higher
    A38-43 (SPCN) - Body ground
    		NORMAL mode switch being pushed and held
    		Below 50 Ω
    A38-43 (SPCN) - Body ground
    		NORMAL mode switch not pushed
    		10 kΩ or higher
    for 1VD-FTV (w/o DPF) (for RHD)
    Tester Connection
    		Condition
    		Specified Condition
    A52-39 (PWMS) - Body ground
    		SPORT mode switch being turned and held
    		Below 50 Ω
    A52-39 (PWMS) - Body ground
    		SPORT mode switch not turned
    		10 kΩ or higher
    A52-43 (SPCN) - Body ground
    		NORMAL mode switch being pushed and held
    		Below 50 Ω
    A52-43 (SPCN) - Body ground
    		NORMAL mode switch not pushed
    		10 kΩ or higher
    Text in Illustration
    *A
    		for 3UR-FE
    *B
    		for 1UR-FE
    *C
    		for 1VD-FTV
    *D
    		except 1VD-FTV (w/o DPF) (for RHD)
    *E
    		for 1VD-FTV (w/o DPF) (for RHD)
    *a
    		Front view of wire harness connector
    (to ECM)
    Result
    Result
    		Proceed to
    OK
    		for 1UR-FE
    		A
    for 3UR-FE
    		B
    for 1VD-FTV
    		C
    NG
    		D


B
REPLACE ECM (Click here)

C
REPLACE ECM (Click here)

D
REPAIR OR REPLACE HARNESS OR CONNECTOR
A

REPLACE ECM (Click here)