Hazard Warning Switch Circuit [09/2014 - 03/2019]: 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 [09/2014 - 03/2019]
Result:
NG
See step 2
- INSPECT AIR CONDITIONING CONTROL ASSEMBLY
- Remove the air conditioning control assembly (hazard warning signal switch).
Refer to REMOVAL [09/2014 - ]
- Inspect the air conditioning control assembly (hazard warning signal switch).
Refer to INSPECTION [09/2014 - ]
Result
Proceed to OK NG
Result:
NG
REPLACE AIR CONDITIONING CONTROL ASSEMBLY. Refer to REMOVAL [09/2014 - ]
Result:
OK
See step 3
- Remove the air conditioning control assembly (hazard warning signal switch).
- CHECK HARNESS AND CONNECTOR (AIR CONDITIONING CONTROL ASSEMBLY (HAZARD WARNING SIGNAL SWITCH) - COMBINATION METER ASSEMBLY AND BODY GROUND)
- Disconnect the O4 combination meter assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition O64-11 (LJB) - O4-12 (HAZM) Always Below 1 Ω O64-9 (HAZ) - O4-11 (HZSW) Always Below 1 Ω O64-11 (LJB) - Body ground Always 10 kΩ or higher O64-9 (HAZ) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [09/2014 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR