Mitsubishi L200. Manual — part 858
TROUBLESHOOTING
HEATER, AIR CONDITIONER AND VENTILATION
55A-48
STEP 9. Check the wiring harness between C-217
rear window defogger relay connector No.1 and
ignition switch (IG2).
AC509934 BA
Connectors: C-207, C-217 <LHD>
Harness side
C-207
C-217
C-207
C-217
Junction block side
Junction block (Front view)
AC509936AX
Connectors: C-207, C-217 <RHD>
Harness side
C-207
C-217
C-207
C-217
Junction block side
Junction block (Front view)
NOTE: Prior to the wiring harness inspection, check
junction block connector C-207, and repair if neces-
sary.
• Check the rear window defogger power supply
line for open circuit.
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 :
Repair the wiring harness.
TROUBLESHOOTING
HEATER, AIR CONDITIONER AND VENTILATION
55A-49
STEP 10. Check the wiring harness between C-
217 rear window defogger relay connector No.2
and C-05 A/C switch module connector No.8.
AC509611AV
Connector: C-05 <LHD>
Harness side
AC509932 BA
Harness side
Connector: C-05 <RHD>
AC509934 BB
Connectors: C-208, C-217 <LHD>
Harness side
C-208
C-217
C-217
C-208
Junction block side
Junction block (Front view)
AC509936AY
Connectors: C-208, C-217 <RHD>
Harness side
C-208
C-217
C-217
C-208
Junction block side
Junction block (Front view)
NOTE:
AC509613BW
Connector: C-15 <LHD>
AC509932DR
Connector: C-15 <RHD>
Prior to the wiring harness inspection, check junction
block connector C-208 and intermediate connector
C-15, and repair if necessary.
• Check the rear window defogger power supply
line for open circuit.
Q: Is the check result normal?
YES :
Go to Step 11.
NO :
Repair the wiring harness.
TROUBLESHOOTING
HEATER, AIR CONDITIONER AND VENTILATION
55A-50
STEP 11. Check the wiring harness between C-
217 rear window defogger relay connector No.3
and D-07 rear window defogger connector No.1.
AC509934BC
Connectors: C-212, C-217 <LHD>
Harness side
C-212
C-217
C-212
C-217
Junction block side
Junction block (Front view)
AC509936AZ
Connectors: C-212, C-217 <RHD>
Harness side
C-212
C-217
C-212
C-217
Junction block side
Junction block (Front view)
AC509961AE
Harness side
Connector: D-07 <Single cab>
D-07 (B)
AC509965AD
Harness side
Connector: D-07 <Club cab>
D-07 (B)
AC509967AO
Harness side
Connector: D-07 <Double cab>
D-07 (B)
TROUBLESHOOTING
HEATER, AIR CONDITIONER AND VENTILATION
55A-51
NOTE: Prior to the wiring harness inspection, check
junction block connector C-212, and repair if neces-
sary.
• Check the rear window defogger relay line for
open and short circuit.
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 :
Repair the wiring harness.
STEP 12. Connector check: D-10 rear window
defogger connector
AC509961AF
Harness side
D-10 (B)
Connector: D-10 <Single cab>
AC509965AI
Harness side
Connector: D-10 <Club cab>
D-10 (B)
AC509967AQ
Harness side
D-10 (B)
Connector: D-10 <Double cab>
Q: Is the check result normal?
YES :
Go to Step 13.
NO :
Repair the connector.
STEP 13. Resistance measurement at D-10 rear
window defogger connector.
AC509961AF
Harness side
D-10 (B)
Connector: D-10 <Single cab>
AC509965AI
Harness side
Connector: D-10 <Club cab>
D-10 (B)
AC509967AQ
Harness side
D-10 (B)
Connector: D-10 <Double cab>
(1) Disconnect the connector, and measure at the
wiring harness side.
AC403234
Connector D-10
(Harness side)
CC
(2) Continuity between terminal 1 and body earth.
OK: Continuity (Less than 2
Ω)
Q: Is the check result normal?
YES :
Go to Step 15.
NO :
Go to Step 14.
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