[54E] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Except for Hong Kong spec.> - - SYMPTOM PROCEDURES - FLASHER TIMER - INSPECTION PROCEDURE M-2: The hazard warning lamps do not illuminate. | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE M-2: The hazard warning lamps do not illuminate.
| CAUTION Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
| COMMENTS ON TROUBLE SYMPTOM If the hazard warning lamps do not illuminate, the hazard warning lamp input signal circuit or the ETACS-ECU may be defective.
| POSSIBLE CAUSES Malfunction of the hazard warning lamp switch Malfunction of the ETACS-ECU Damaged harness wires and connectors
| DIAGNOSIS PROCEDURE
| Step 1. Check that the turn-signal lamps operate. Check that the turn-signal lamps illuminate normally. Q: Is the check result normal? YES: Go to Step 2. NO: Refer to Inspection Procedure M-1 "The turn-signal lamps do not illuminate ".
| Step 2. Pulse check Check the input signal from the hazard warning lamp switch.
System switch | Check condition
--- | ---
Hazard warning lamp switch | When the hazard warning lamp switch is turned from off to on
OK: The MUT-II/III sounds or the voltmeter needle fluctuates. Q: Is the check result normal? YES: Go to Step 3. NO: Refer to Inspection Procedure P-13 "The hazard warning lamp switch signal is not received ."
| Step 3. Retest the system. Check that the hazard warning lamps illuminate. Q: Is the check result normal? YES: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). NO: Replace the ETACS-ECU.

[54E] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Except for Hong Kong spec.> - - SYMPTOM PROCEDURES - FLASHER TIMER - INSPECTION PROCEDURE M-2: The hazard warning lamps do not illuminate. | PRINT PAGE / INDEX / PRIOR / NEXT

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