Blind Spot Monitor System Reverse Signal Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT BACK-UP LIGHT SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH ASSEMBLY - BATTERY)

CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BACK-UP LIGHT SWITCH ASSEMBLY)

BLIND SPOT MONITOR SYSTEM - Reverse Signal Circuit


DESCRIPTION

The blind spot monitor sensor RH receives a reverse signal from the back-up light switch assembly.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Park Assist Monitoring.Toyota Parking Assist-Sensor System (W/ Multi-Display).Blind Spot Monitor System  Reverse Signal Circuit


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.INSPECT BACK-UP LIGHT SWITCH ASSEMBLY
  1. Remove the back-up light switch assembly (LandCruiser RM0000047AR005X.html).

  1. Inspect the back-up light switch assembly (LandCruiser RM0000047AP005X.html).



NG
REPLACE BACK-UP LIGHT SWITCH ASSEMBLY (LandCruiser RM0000047AR005X.html)
OK


2.CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH ASSEMBLY - BATTERY)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Park Assist Monitoring.Toyota Parking Assist-Sensor System (W/ Multi-Display).Blind Spot Monitor System  Reverse Signal Circuit
  1. Disconnect the back-up light switch assembly connector.

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

    Standard Voltage:
    Tester Connection
    Switch Condition
    Specified Condition
    C41-2 - Body ground
    Engine switch on (IG)
    11 to 14 V
    Engine switch off
    Below 1 V
    Text in Illustration
    *a
    Front view of wire harness connector
    (to Back-up Light Switch Assembly)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BACK-UP LIGHT SWITCH ASSEMBLY)
  1. Disconnect the R43 blind spot monitor sensor RH connector.

  1. Disconnect the C41 back-up light switch assembly connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    R43-8 (SPR) - C41-1
    Always
    Below 1 Ω
    R43-8 (SPR) - Body ground
    Always
    10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (LandCruiser RM000004RRZ029X.html)