Mitsubishi Grandis. Manual — part 214
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-318
junction block side.
(2) Voltage between C-219 ETACS-ECU connector
terminal No.11 and body earth
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Go to Step 5.
AC310507 BZ
Connector C-219
(Junction block side)
2019
7
13
17
18
1615 14
10
11
12
9 8
2
6 5
3
4
1
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-319
Step 5. Check the wiring harness between C-219
ETACS-ECU connector terminal No.11 and the
fusible link (26).
NOTE:
Prior to the wiring harness inspection, check
intermediate connector C-125 and junction block
connector C-203, and repair if necessary.
• Check the power supply line for open circuit.
Q: Is the check result normal?
YES :
Go to Step 8.
NO :
Repair the wiring harness.
AC310626
Connector: C-219
Junction block (Rear view)
<LHD>
AB
Junction block side
AC310620
Connector: C-219
Junction block
(Rear view)
<RHD>
AB
Junction block side
AC310613
AD
Connector: C-125 <LHD>
AC310628AB
Connector: C-125 <RHD>
AC310623
Connectors: C-203 <LHD>
AL
Harness side
10
1
6
14
5
12
13
4
11
7
2
3
8
9
Junction block (Front view)
AC310618
Connectors: C-203 <RHD>
AK
Harness side
10
1
6
14
5
12
13
4
11
7
2
3
8
9
Junction block (Front view)
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-320
Step 6. Function diagnosis by using the SWS
monitor.
Check the SWS communication signal, which are
related to the right turn-signal lamps.
<Selected item> TURN SIGNAL - TURN-SIG. RH
• Turn-signal lamp switch: RH
• Ignition switch: ON
OK: Normal conditions are displayed for all
the items
Q: Is the check result normal?
Normal conditions are displayed for all the items. :
Go to Step 7.
Normal condition is not displayed for item 10 or 11.
:
Refer to inspection procedure Q-6 "The
column switch (lighting and turn-signal lamp
switch) signal is not received
."
Normal condition is not displayed for item No.30. :
Refer to inspection procedure Q-2 "The
ignition switch (IG1) signal is not received
Step 7. SWS monitor data list.
Check the SWS communication signal, which are
related to the left turn-signal lamps.
<Selected item> TURN SIGNAL - TURN-SIG. LH
• Turn-signal lamp switch: LH
• Ignition switch: ON
OK: Normal conditions are displayed for all
the items.
Q: Is the check result normal?
Normal conditions are displayed for all the items. :
Go to Step 8.
Normal condition is not displayed for item 10 or 11.
:
Refer to inspection procedure Q-6 "The
column switch (lighting and turn-signal lamp
switch) signal is not received
Step 8. Retest the system.
Check that the turn-signal 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.
Item No.
Item name
Normal
condition
Item 10
TURN SIG.RH
ON
Item 11
TURN SIG.LH
OFF
Item 30
IG SW(IG1)
ON
Item No.
Item name
Normal
condition
Item 10
TURN SIG.RH
OFF
Item 11
TURN SIG.LH
ON
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-321
Inspection Procedure N-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 N-1 "The-turn
signal lamps do not illuminate
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
ETACS-ECU
HAZARD
WARNING
LAMP SWITCH
RELAY
BOX
TURN-SIGNAL
LAMP RELAY: LH
TURN-SIGNAL
LAMP RELAY: RH
INPUT SIGNAL
· FRONT TURN-SIGNAL
LAMP (LH)
· SIDE TURN-SIGNAL
LAMP (LH)
· REAR TURN-SIGNAL
LAMP (LH)
· FRONT TURN-SIGNAL
LAMP (RH)
· SIDE TURN-SIGNAL
LAMP (RH)
· REAR TURN-SIGNAL
LAMP (RH)
J/B SIDE
FUSIBLE
LINK
26
Hazard Warning Lamp Circuit
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