Mitsubishi L200. Manual — part 792
ETACS
CHASSIS ELECTRICAL
54A-535
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
Malfunction ).
NO :
Replace the ETACS-ECU and register the
ID codes (Refer to
Inspection Procedure C-4: The hazard warning lamp switch signal is not received.
CAUTION
Whenever the ECU is replaced, ensure that the input signal circuit is normal.
COMMENTS ON TROUBLE SYMPTOM
Input signal from the hazard warning lamp switch is
used to operate the functions below. If the signal is
abnormal, these functions will not work normally.
• Keyless entry system (encrypted code registra-
tion)
• Hazard warning lamp
PROBABLE CAUSES
• Malfunction of the hazard warning lamp switch
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
ETACS-
ECU
HAZARD
WARNING
LAMP SWITCH
Hazard Warning Lamp Switch Input Circuit
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple
ETACS
CHASSIS ELECTRICAL
54A-536
DIAGNOSIS PROCEDURE
STEP 1. Connector check: C-07 hazard warning
lamp switch connector
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Repair the defective connector.
STEP 2. Check the hazard warning lamp switch.
Refer to
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Replace the hazard warning lamp switch.
STEP 3. Resistance measurement at the C-07
hazard warning lamp switch connector.
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Resistance between C-07 hazard warning lamp
switch connector terminal No.2 and body earth
OK: Continuity exists (2
Ω or less)
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Go to Step 4.
AC903856 BD
Connector: C-07 <LHD>
Harness side
AC903868
BU
Connector: C-07 <RHD>
Harness side
AC903856 BD
Connector: C-07 <LHD>
Harness side
AC903868
BU
Connector: C-07 <RHD>
Harness side
AC310506GG
Connector C-07
(Harness side)
ETACS
CHASSIS ELECTRICAL
54A-537
STEP 4. Check the wiring harness between C-07
hazard warning lamp switch connector terminal
No.2 and the body earth.
• Check the earth wires for open circuit.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
Malfunction ).
NO :
Repair the wiring harness.
STEP 5. Connector check: C-219 ETACS-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the defective connector.
AC903856 BD
Connector: C-07 <LHD>
Harness side
AC903868
BU
Connector: C-07 <RHD>
Harness side
AC509934
Connector: C-219 <LHD>
AD
C-219 (GR)
Harness side
Junction block
AC509943
Connector: C-219 <RHD>
AB
C-219 (GR)
Harness side
Junction block
(Rear view)
ETACS
CHASSIS ELECTRICAL
54A-538
STEP 6. Check the wiring harness between C-219
ETACS-ECU connector terminal No.71 and C-07
hazard warning lamp switch connector terminal
No.1.
• Check the input line for open circuit.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the wiring harness.
STEP 7. M.U.T.-III data list
Check the input signals from the hazard warning
lamp switch.
• Operate the hazard warning lamp switch.
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
Malfunction ).
NO :
Replace the ETACS-ECU and register the
ID codes (Refer to
AC903856 BD
Connector: C-07 <LHD>
Harness side
AC903868
BU
Connector: C-07 <RHD>
Harness side
AC509934
Connector: C-219 <LHD>
AD
C-219 (GR)
Harness side
Junction block
AC509943
Connector: C-219 <RHD>
AB
C-219 (GR)
Harness side
Junction block
(Rear view)
Item
No.
Item name
Normal condition
26
Hazard warning lamp
switch
OFF to ON (only
when switch is
operated)
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