Mitsubishi Grandis. Manual — part 244
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-438
Inspection Procedure P-5: The door lamp does not illuminate normally.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
Door Lamp Circuit <LHD>
ETACS-ECU
DOOR
LAMP
(REAR: LH)
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
J/B SIDE
DOOR
LAMP
(REAR: RH)
DOOR
LAMP
(FRONT: LH)
DOOR
LAMP
(FRONT: RH)
DOOR SWITCH
(FRONT: RH)
DOOR SWITCH
(FRONT: LH)
DOOR SWITCH
(REAR: RH)
DOOR SWITCH
(REAR: LH)
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-439
COMMENTS ON TROUBLE SYMPTOM
The door lamps are energised through the
ETACS-ECU. If a door is opened, the relevant door
lamp will illuminate.
If this function does not work normally, these input
signal circuit(s) or the ETACS-ECU may be
defective.
POSSIBLE CAUSES
• Malfunction of the door lamp bulbs
• Malfunction of the door switch
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
Door Lamp Circuit <RHD>
ETACS-ECU
DOOR
LAMP
(REAR: LH)
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
J/B SIDE
DOOR
LAMP
(REAR: RH)
DOOR
LAMP
(FRONT: LH)
DOOR
LAMP
(FRONT: RH)
DOOR SWITCH
(FRONT: RH)
DOOR SWITCH
(FRONT: LH)
DOOR SWITCH
(REAR: RH)
DOOR SWITCH
(REAR: LH)
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-440
DIAGNOSTIC PROCEDURE
Step 1. Connector check: F-11 door lamp (front:
LH), F-22 door lamp (front: RH) connector, F-09
door lamp (rear: LH), F-25 door lamp (rear: RH)
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-441
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Repair the defective connector.
Step 2. Check the bulbs of the door lamp.
Check that the door lamp bulbs are not burned out.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Replace the door lamp bulb.
AC310209 AE
Connector: F-09
AC311150
AE
Connector: F-11
<LHD>
AC310211
AG
Connector: F-11 <RHD>
AC311147
AG
Connector: F-22 <LHD>
AC310213
AF
Connector: F-22 <RHD>
AC310216
AF
Connector: F-25
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