Power Mirror Control System (W/ Retract Mirror) Power Mirror Cannot Be Adjusted With Power Mirror Switch

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Mirror (Ext). Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING GTS (POWER MIRROR SWITCH)

INSPECT OUTER MIRROR SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])

POWER MIRROR CONTROL SYSTEM (w/ Retract Mirror) - Power Mirror cannot be Adjusted with Power Mirror Switch


DESCRIPTION

When the outer mirror switch assembly mirror select switch is operated, right/left selection signals are sent to the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) sends the received right/left selection signals to the outer mirror control ECU assemblies via CAN communication.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Mirror (Ext).Power Mirror Control System (W/ Retract Mirror).Power Mirror Control System (W/ Retract Mirror)  Power Mirror Cannot Be Adjusted With Power Mirror Switch


INSPECTION PROCEDURE

NOTICE:
  1. First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem (Click here).
  2. If the main body ECU (multiplex network body ECU) is replaced, refer to the Entry and Start System (Click here).
1.READ VALUE USING GTS (POWER MIRROR SWITCH)
  1. Using the GTS, read the Data List. (Click here).

    Main Body
    Tester Display
    Measurement Item/Range
    Normal Condition
    Diagnostic Note
    Mirror Selection SW (R)
    Mirror select switch signal for RH mirror / ON or OFF
    ON: Mirror select switch is R position
    OFF: Mirror select switch is except R position
    -
    Mirror Selection SW (L)
    Mirror select switch signal for LH mirror / ON or OFF
    ON: Mirror select switch is L position
    OFF: Mirror select switch is except L position
    -
    Mirror Position SW (R)
    Mirror surface adjust switch signal (Right) / ON or OFF
    ON: Mirror surface adjust switch pressed right
    OFF: Mirror surface adjust switch not pressed right
    -
    Mirror Position SW (L)
    Mirror surface adjust switch signal (Left) / ON or OFF
    ON: Mirror surface adjust switch not pressed left
    OFF: Mirror surface adjust switch pressed left
    -
    Mirror Position SW (Up)
    Mirror surface adjust switch signal (Up) / ON or OFF
    ON: Mirror surface adjust switch pressed up
    OFF: Mirror surface adjust switch not pressed up
    -
    Mirror Position SW (Dwn)
    Mirror surface adjust switch signal (Down) / ON or OFF
    ON: Mirror surface adjust switch pressed down
    OFF: Mirror surface adjust switch not pressed down
    -
    OK:
    On the GTS screen, each item changes between ON and OFF according to above chart.
    Result
    Proceed to
    OK
    A
    NG (for LHD)
    B
    NG (for RHD)
    C


B
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)

C
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)
A


2.INSPECT OUTER MIRROR SWITCH ASSEMBLY
  1. Remove the outer mirror switch assembly (Click here).

  1. Inspect the outer mirror switch assembly (Click here).



NG
REPLACE OUTER MIRROR SWITCH ASSEMBLY (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])
  1. Disconnect the G19 outer mirror switch assembly connector.

  1. Disconnect the E137 main body ECU (multiplex network body ECU) connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    G19-16 (M+) - E137-4 (MIRB)
    Always
    Below 1 Ω
    G19-13 (MSW) - E137-5 (MIRS)
    Always
    Below 1 Ω
    G19-14 (E) - E137-6 (MIRE)
    Always
    Below 1 Ω
    G19-16 (M+) or E137-4 (MIRB) - Body ground
    Always
    10 kΩ or higher
    G19-13 (MSW) or E137-5 (MIRS) - Body ground
    Always
    10 kΩ or higher
    G19-14 (E) or E137-6 (MIRE) - Body ground
    Always
    10 kΩ or higher
Result
Proceed to
OK (for LHD)
A
OK (for RHD)
B
NG
C


B
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)

C
REPAIR OR REPLACE HARNESS OR CONNECTOR
A

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)