RM35X0E _59 Vehicle Exterior _079256 LIGHTING (EXT) _0396321 LIGHTING SYSTEM(w/ Headlight ECU) J

LIGHTING (EXT)  LIGHTING SYSTEM(w/ Headlight ECU)  Hazard Warning Switch Circuit  


DESCRIPTION

The combination meter assembly receives the hazard warning signal switch assembly ON signal and controls the operation of the hazard warning lights.

WIRING DIAGRAM

E367346E30
1.729,1.74 4.302,1.99 2.573,0.25 10 false Hazard Warning Signal Switch Assembly 1.729,1.594 2.021,1.833 0.292,0.24 10 false O1 1.948,1.094 2.24,1.333 0.292,0.24 10 false 4 3.698,1.094 3.99,1.333 0.292,0.24 10 false 5 5.229,1.938 5.521,2.177 0.292,0.24 10 false N23 5.219,2.073 7.115,2.354 1.896,0.281 10 false Combination Meter Assembly 5.531,1.031 5.969,1.25 0.438,0.219 10 false HAZ 5.302,1.104 5.594,1.344 0.292,0.24 10 false 17 6.302,0.573 6.74,0.792 0.438,0.219 10 false +B

CAUTION / NOTICE / HINT

NOTICE:

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.


PROCEDURE

1.READ VALUE USING GTS
a.

Connect the GTS to the DLC3.


b.

Turn the engine switch on (IG).


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Combination Meter / Data List.


e.

Read the Data List according to the display on the GTS.

Body Electrical > Combination Meter > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Hazard Flasher Switch Hazard warning signal switch signal OFF or ON OFF: Hazard warning signal switch off
ON: Hazard warning signal switch on 		-
Body Electrical > Combination Meter > Data List
Tester Display
Hazard Flasher Switch
50003 409 39
OK:

Normal conditions listed above are displayed.



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/ Headlight ECU)>PROBLEM SYMPTOMS TABLE


NG

2.INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY
2.INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY
a.

Remove the hazard warning signal switch assembly.

Click hereVehicle Exterior>LIGHTING (EXT)>HAZARD WARNING SWITCH>REMOVAL


b.

Inspect the hazard warning signal switch assembly.

Click hereVehicle Exterior>LIGHTING (EXT)>HAZARD WARNING SWITCH>INSPECTION


Result:
Proceed to
OK
NG



OK

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

NG

REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY

Click hereVehicle Exterior>LIGHTING (EXT)>HAZARD WARNING SWITCH>REMOVAL


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

Disconnect the O1 hazard warning signal switch assembly connector.


b.

Disconnect the N23 combination meter assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
O1-5 - N23-17 (HAZ) Always Below 1 Ω
O1-5 or N23-17 (HAZ) - Body ground Always 10 kΩ or higher
O1-4 - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE COMBINATION METER ASSEMBLY

Click hereVehicle Interior>METER / GAUGE / DISPLAY>COMBINATION METER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR