Mitsubishi L200. Manual — part 882
TROUBLESHOOTING
AUTOMATIC AIR CONDITIONER
55B-57
STEP 2. Connector check: C-05 A/C-switch
module connector and D-07 rear window
defogger connector
AC509611AV
Connector: C-05 <LHD>
Harness side
AC509932 BA
Harness side
Connector: C-05 <RHD>
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
AUTOMATIC AIR CONDITIONER
55B-58
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the connector.
STEP 3. Voltage measurement at D-07 rear
window defogger connector.
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)
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Turn the ignition switch to the "ON" position.
AC509611AR
Connector: C-43 <LHD>
Harness side
AC509932AS
Harness side
Connector: C-43 <RHD>
(3) Disconnect A/C-switch module connector C-05
and earth terminal 8.
AC402679
Connector D-07
(Harness side)
CB
(4) Measure the voltage between terminal 1 and
body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 11.
NO :
Go to Step 4.
STEP 4. Check the rear window defogger relay
continuity.
Refer to .
Q: Is the rear window defogger relay in good
condition?
YES :
Go to Step 5.
NO :
Replace the rear window defogger relay.
TROUBLESHOOTING
AUTOMATIC AIR CONDITIONER
55B-59
STEP 5. Voltage measurement at C-217 rear
window defogger relay connector.
AC509934AY
Connector: C-217 <LHD>
Junction block side
Junction block (Front view)
AC509936AV
Connector: C-217 <RHD>
Junction block side
Junction block (Front view)
(1) Remove the relay, and measure at the junction
block side.
AC402679
Connector C-217
(Harness side)
CC
(2) Measure the voltage between terminal 4 and
body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Go to Step 6.
STEP 6. Check the wiring harness between C-217
rear window defogger relay connector terminal
No.4 and the fusible link (20).
AC509934AZ
Connectors: C-213, C-217 <LHD>
Harness side
C-213
C-217
Junction block side
C-217
Junction block (Front view)
C-213
AC509936AW
Connectors: C-213, C-217 <RHD>
Harness side
C-213
C-217
Junction block side
C-217
Junction block (Front view)
C-213
NOTE: Prior to the wiring harness inspection, check
junction block connector C-213, and repair if neces-
sary.
• Check the rear window defogger relay power
supply 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.
TROUBLESHOOTING
AUTOMATIC AIR CONDITIONER
55B-60
STEP 7. Voltage measurement at C-217 rear
window defogger relay connector.
AC509934AY
Connector: C-217 <LHD>
Junction block side
Junction block (Front view)
AC509936AV
Connector: C-217 <RHD>
Junction block side
Junction block (Front view)
(1) Remove the relay, and measure at the junction
block side.
(2) Turn the ignition switch to the "ON" earth position.
AC402679
Connector C-217
(Harness side)
CD
(3) Voltage between terminal 1 and body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Go to Step 8.
STEP 8. 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.
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