Hazard Warning Switch Circuit [09/2016 - ]: Procedure
- READ VALUE USING TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the power 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 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 [09/2016 - ]
Result:
NG
See step 2
- INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY
- Remove the hazard warning signal switch assembly.
Refer to REMOVAL [09/2016 - 05/2019] , or refer to REMOVAL [05/2019 - 07/2020] , or refer to REMOVAL [07/2020 - ]
- Inspect the hazard warning signal switch assembly.
Refer to INSPECTION [09/2016 - 05/2019] , or refer to INSPECTION [05/2019 - ]
Result
Proceed to OK NG
Result:
NG
REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY. Refer to REMOVAL [09/2016 - 05/2019] , or refer to REMOVAL [05/2019 - 07/2020] , or refer to REMOVAL [07/2020 - ]
Result:
OK
See step 3
- Remove the hazard warning signal switch assembly.
- CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE) AND BODY GROUND)
- Disconnect the I7 combination meter assembly (meter circuit plate) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition V1-5 (TB) - I7-10 (HAZ) Always Below 1 Ω V1-5 (TB) or I7-10 (HAZ) - Body ground Always 10 kΩ or higher V1-4 (E) - Body ground Always Below 1 Ω Result
Proceed to OK NG
Result:
OK
REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE). Refer to DISASSEMBLY [09/2016 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR