Hazard Warning Switch Circuit [09/2019 - ]: Procedure
- READ VALUE USING TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Combination Meter / Data List.
- 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 [09/2019 - 08/2020] , or refer to PROBLEM SYMPTOMS TABLE [08/2020 - 12/2021] , or refer to PROBLEM SYMPTOMS TABLE [12/2021 - ]
Result:
NG
See step 2
- INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY
- Remove the hazard warning signal switch assembly.
Refer to REMOVAL [02/2017 - ]
- Inspect the hazard warning signal switch assembly.
Refer to INSPECTION [02/2017 - ]
OK
Hazard warning signal switch assembly is normal.
Result
Proceed to OK NG
Result:
NG
REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY. Refer to REMOVAL [02/2017 - ]
Result:
OK
See step 3
- Remove the hazard warning signal switch assembly.
- CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY OR BODY GROUND)
- Disconnect the F5 combination meter assembly connector.
- Measure the resistance according to the value(s) in the chart below.
Standard Resistance
Tester Connection Condition Specified Condition F62-4 (TB) - F5-3 (HAZ) Always Below 1 Ω F62-4 (TB) or F5-3 (HAZ) - Body ground Always 10 kΩ or higher F62-1 (E) - Body ground Always Below 1 Ω Result
Proceed to OK NG
Result:
OK
REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [02/2017 - 08/2020] , or refer to REMOVAL [08/2020 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR