[54B] SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - KEYLESS ENTRY SYSTEM - INSPECTION PROCEDURE E-6: The sunroof does not close normally by means of the multimode keyless entry function.PRINT PAGE / INDEX / PRIOR / NEXT
INSPECTION PROCEDURE E-6: The sunroof does not close normally by means of the multimode keyless entry function.
 CAUTION
 Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
If the sunroof does not work by means of the multimode keyless entry system, the input signal circuits to the sunroof motor assembly or the ETACS-ECU may be defective.
POSSIBLE CAUSES
  • Malfunction of the ETACS-ECU
  • Malfunction of the sunroof motor assembly
DIAGNOSIS PROCEDURE
Step 1. Check the operation of the sunroof.
Q: Does the sunroof work normally?
YES:  Go to Step 2.
NO:  Refer to Inspection Procedure F-1 "Sunroof does not work at all ."
Step 2. Pulse check
Check the input signals which are related to the sunroof operated by the multimode keyless entry system.
System switch
 Check conditions
Sunroof switch
 When the 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-9 "When the sunroof switch is operated, the switch signals are not received ."
Step 3. Retest the system.
Check that the sunroof operates by means of the multimode keyless entry system.
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.
[54B] SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - KEYLESS ENTRY SYSTEM - INSPECTION PROCEDURE E-6: The sunroof does not close normally by means of the multimode keyless entry function.PRINT PAGE / INDEX / PRIOR / NEXT
©2004 Mitsubishi Motors Corporation