Hazard Warning Switch Circuit [08/2019 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Data List.
5. Read the Data List according to the display on the Techstream.

   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

   OK

   Normal conditions listed above are displayed.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2019 - ] 

Result: 

NG 

See step  2

1. Remove the hazard warning signal switch (radio receiver assembly).

   Refer to REMOVAL [08/2019 - ]

2. Inspect the hazard warning signal switch (radio receiver assembly).

   Refer to INSPECTION [08/2019 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE HAZARD WARNING SIGNAL SWITCH (RADIO RECEIVER ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

Result: 

OK 

See step  3

1. Disconnect the J11 combination meter assembly connector.
2. Measure the resistance according to the value (s) in the table below.

   Standard Resistance

   w/ Navigation System 

   Tester Connection	Condition	Specified Condition
   J151-10 (HAZ) - J11-2 (HZSW)	Always	Below 1 Ω
   J151-10 (HAZ) or J11-2 (HZSW) - Body ground	Always	10 kΩ or higher
   J148-1 (GND1) - Body ground	Always	Below 1 Ω

   Standard Resistance

   w/o Navigation System 

   Tester Connection	Condition	Specified Condition
   J147-10 (HAZ) - J11-2 (HZSW)	Always	Below 1 Ω
   J147-10 (HAZ) or J11-2 (HZSW) - Body ground	Always	10 kΩ or higher
   J145-1 (GND1) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR