Hazard Warning Switch Circuit [11/2015 -]: 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	ON or OFF	ON: Hazard warning signal switch on OFF: 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 [11/2015 - 12/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [12/2018 -] 

Result: 

NG 

See step  2

1. Remove the hazard warning signal switch assembly.

   Refer to REMOVAL [11/2015 - 11/2017] , or refer to REMOVAL [11/2017 - 12/2018] , or refer to REMOVAL [12/2018 - 08/2019] , or refer to REMOVAL [08/2019 - 07/2020] , or refer to REMOVAL [07/2020 -]

2. Inspect the hazard warning signal switch assembly.

   Refer to INSPECTION [11/2015 -]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY. Refer to  REMOVAL [11/2015 - 11/2017]  , or refer to  REMOVAL [11/2017 - 12/2018]  , or refer to  REMOVAL [12/2018 - 08/2019]  , or refer to  REMOVAL [08/2019 - 07/2020]  , or refer to  REMOVAL [07/2020 -] 

Result: 

OK 

See step  3

1. Disconnect the F7 combination meter assembly (meter circuit plate) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   (Z1, F7)

   (Z1)

   (F7)

   Tester Connection	Condition	Specified Condition
   Z1-5 (TB) - F7-10 (HAZ)	Always	Below 1 Ω
   Z1-5 (TB) or F7-10 (HAZ) - Body ground	Always	10 kΩ or higher
   Z1-4 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE). Refer to  DISASSEMBLY [11/2015 -] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR