Mitsubishi Grandis. Manual — part 197
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-250
ELECTRIC RETRACTABLE REMOTE
CONTROLLED DOOR MIRROR
Inspection Procedure J-1: Electric retractable remote controlled door mirror does not work at all.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-251
Door Mirror Relay Circuit <LHD>
FUSIBLE LINK
ETACS-ECU
J/B SIDE
DOOR MIRROR
ASSEMBLY (LH)
30
DOOR MIRROR
ASSEMBLY (RH)
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
DOOR
MIRROR
FOLD RELAY
DOOR
MIRROR
UNFOLD RELAY
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-252
COMMENTS ON TROUBLE SYMPTOM
If the electric retractable remote controlled door
mirror does not work at all, these power supply
circuit(s), these earth circuit(s), remote controlled
mirror switch or ETACS-ECU may be defective.
POSSIBLE CAUSES
• Malfunction of the remote controlled mirror switch
• Malfunction of ETACS-ECU
• Damaged harness wires and connectors
DIAGNOSTIC PROCEDURE
Step 1. ECU check on the SWS monitor.
Check that the power supply and earth lines to the
ETACS-ECU and the SWS communication lines are
normal.
• Ignition switch: ACC
ECU TO BE CHECKED
• ETACS ECU
OK: "OK" is displayed on the "ETACS ECU"
menu.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to Inspection Procedure A-3
"Communication with the ETACS-ECU is
not possible
Door Mirror Relay Circuit <RHD>
FUSIBLE LINK
ETACS-ECU
J/B SIDE
DOOR MIRROR
ASSEMBLY (LH)
30
DOOR MIRROR
ASSEMBLY (RH)
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
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-253
Step 2. SWS monitor data list.
Check the SWS communication signal, which are
related to the electric retractable remote controlled
mirror.
<Selected item> ETACS ECU
• Ignition switch: ACC
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Refer to inspection procedure Q-1 "The
ignition switch (ACC) signal is not received
Step 3. ETACS switch data by using the SWS
monitor
Check the ETACS-ECU signal, which is related to
the electric retractable remote controlled mirror.
• Remote controlled mirror switch
(folding/unfolding switch): ON
OK: Normal condition is displayed
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Refer to inspection procedure Q-21 "Signal
is not received from the remote controlled
mirror switch (folding/unfolding switch)
Step 4. Connector check: C-219 ETACS-ECU
connector.
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Repair the connector.
Step 5. Voltage measurement at the C-219
ETACS-ECU connector.
(1) Remove the ETACS-ECU, and measure at the
Item No.
Item name
Normal
conditions
Item 31
IG SW (ACC)
ON
Item No.
Item name
Normal
conditions
Item 14
EL RET MIR SW
ON
AC310626AD
Connector: C-219 <LHD>
Junction block (Rear view)
Junction block side
AC310620
Connector: C-219
Junction block
(Rear view)
<RHD>
AB
Junction block side
AC310626AD
Connector: C-219 <LHD>
Junction block (Rear view)
Junction block side
AC310620
Connector: C-219
Junction block
(Rear view)
<RHD>
AB
Junction block side
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