Lighting System Hazard Warning Switch Circuit

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200

Lighting (Ext). Land Cruiser. Urj200, 202 Grj200 Vdj200

INSPECTION PROCEDURE

READ VALUE USING GTS (HAZARD FLASHER SWITCH)

CHECK VEHICLE TYPE

INSPECT MULTI-DISPLAY ASSEMBLY (HAZARD WARNING SIGNAL SWITCH)

CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - COMBINATION METER AND BODY GROUND)

INSPECT HAZARD WARNING SIGNAL SWITCH

CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH - COMBINATION METER AND BODY GROUND)

INSPECT CLOCK ASSEMBLY

CHECK HARNESS AND CONNECTOR (CLOCK - COMBINATION METER AND BODY GROUND)

LIGHTING SYSTEM - Hazard Warning Switch Circuit

DESCRIPTION

The combination meter receives a hazard warning signal switch information signal, and illuminates the turn signal lights.

WIRING DIAGRAM

Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Hazard Warning Switch Circuit

INSPECTION PROCEDURE

1.READ VALUE USING GTS (HAZARD FLASHER SWITCH)

Operate the GTS according to the display and select the "Data List".

Combination Meter
Tester Display
Measurement Item/Range
Normal Condition
Diagnostic Note
Hazard Flasher Switch
Hazard switch signal / ON or OFF
ON: Hazard switch on
OFF: Hazard switch off
-

NG

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

2.CHECK VEHICLE TYPE

Check the vehicle type.
Result
Result
Proceed to
w/ Navigation System
A
w/o Audio
B
for radio Receiver Type
C

B

C

A

3.INSPECT MULTI-DISPLAY ASSEMBLY (HAZARD WARNING SIGNAL SWITCH)

Remove the multi-display (Click here).

Inspect the multi-display (Click here).

NG

REPLACE MULTI-DISPLAY ASSEMBLY (Click here)

OK

4.CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - COMBINATION METER AND BODY GROUND)

Disconnect the F79 and F97 multi-display connectors.

Disconnect the E120 combination meter connector.

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
E120-11 (HZSW) - F97-12 (HAZ)
Always
Below 1 Ω
F79-13 (GND1) - Body ground
E120-11 (HZSW) or F97-12 (HAZ) - Body ground
Always
10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

REPLACE COMBINATION METER ASSEMBLY (Click here)

5.INSPECT HAZARD WARNING SIGNAL SWITCH

Remove the hazard warning signal switch (Click here).

Inspect the hazard warning signal switch (Click here).

NG

REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY (Click here)

OK

6.CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH - COMBINATION METER AND BODY GROUND)

Disconnect the F130 hazard warning signal connector.

Disconnect the E120 combination meter connector.

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
E120-11 (HZSW) - F130-4 (F)
Always
Below 1 Ω
F130-1 (E) - Body ground
E120-11 (HZSW) or F130-4 (F) - Body ground
Always
10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

REPLACE COMBINATION METER ASSEMBLY (Click here)

7.INSPECT CLOCK ASSEMBLY

Remove the clock (Click here).

Inspect the clock (Click here).

NG

REPLACE CLOCK ASSEMBLY (Click here)

OK

8.CHECK HARNESS AND CONNECTOR (CLOCK - COMBINATION METER AND BODY GROUND)

Disconnect the g2 clock signal connector.

Disconnect the E120 combination meter connector.

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
E120-11 (HZSW) - g2-5 (F)
Always
Below 1 Ω
g2-8 (E) - Body ground
E120-11 (HZSW) or g2-5 (F) - Body ground
Always
10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

REPLACE COMBINATION METER ASSEMBLY (Click here)