[54C] SMART WIRING SYSTEM (SWS) 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 work normally, the ETACS-ECU may be defective. NOTE: For item No. 72 S/R ECU ACK, the display will change from "NORMAL ACK" to "SLEEP ACK" in approximately 30 seconds after the multimode operation is completed.
| 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. ECU check on the SWS monitor Check that the power supply and earth lines to the ETACS-ECU and the sunroof motor assembly (sunroof-ECU) and the SWS communication lines are normal. Ignition switch: OFF Operate the multimode function with the keyless entry transmitter. ECUS TO BE CHECKED ETACS ECU Sunroof-ECU OK: "OK" are displayed for all the items Q: Are the check result normal? "OK" are displayed for all the items: Go to Step 3. "NG" is displayed on the "ETACS ECU" menu: Refer to Inspection Procedure A-3 "Communication with the ETACS-ECU is not possible ." "NG" is displayed on the "sunroof-ECU" menu: Refer to Inspection Procedure A-6 "Communication with the sunroof motor assembly (sunroof-ECU) is not possible ."
| Step 3. Function diagnosis by using the SWS monitor Check the SWS communication signal, which are related to the multimode keyless entry system. <Selected item> Keyless entry system - Multi-close Ignition switch: OFF Operate the multimode function with the keyless entry transmitter.
Item No. | Item name | Normal conditions
--- | --- | ---
Item 30 | IGNITION SW IG1 | OFF
Item 34 | KEYLESS ENTRY | MULTI CLOSE
Item 72 | S/R ECU ACK | NORMAL ACK
OK: Normal conditions displayed for all the items Q: Are the check result normal? Normal conditions are displayed for all the items.: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). Normal condition is not displayed for item No.30: Refer to inspection procedure P-2 "The ignition switch (IG1) signal is not received ." Normal condition is not displayed for item No.34: Replace the ETACS-ECU. Normal condition is not displayed for item No.72: Replace the sunroof motor assembly.

[54C] SMART WIRING SYSTEM (SWS) 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