Hazard Warning Switch Circuit [10/2015 - 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	Radio receiver assembly (hazard warning signal switch) signal	ON or OFF	ON: Radio receiver assembly (hazard warning signal switch) on OFF: Radio receiver assembly (hazard warning signal switch) off	-

   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 [10/2015 - 12/2017]  , or refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 03/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2018 - 08/2019] 

Result: 

NG 

See step  2

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

   Refer to REMOVAL [10/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 12/2017] , or refer to REMOVAL [12/2017 - 08/2019]

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

   Refer to INSPECTION [10/2015 - 08/2019]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE RADIO RECEIVER ASSEMBLY (HAZARD WARNING SIGNAL SWITCH). Refer to  REMOVAL [10/2015 - 08/2016]  , or refer to  REMOVAL [08/2016 - 12/2017]  , or refer to  REMOVAL [12/2017 - 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

   Tester Connection	Condition	Specified Condition
   J54-9 (HAZ) - J11-2 (HZSW)	Always	Below 1 Ω
   J54-9 (HAZ) or J11-2 (HZSW) - Body ground	Always	10 kΩ or higher
   J50-12 (GND1) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2015 - 08/2016]  , or refer to  REMOVAL [08/2016 - 03/2018]  , or refer to  REMOVAL [03/2018 - 08/2019] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR