Mitsubishi Montero (2002-2004). Manual — part 595
TSB Revision
DIAGNOSTIC TROUBLE CODE PROCEDURES
13Ac-77
STEP 5. Check connector D-135 at PCM for damage.
Q: Is the connector in good condition?
YES : Repair harness wire between engine coolant
temperature sensor connector B-37 (termial No. 1)
and PCM connector D-135 (termial No. 98) because
of open circuit. Then go to Step 11.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 11.
STEP 6. Check connector D-135 at PCM for damage.
Q: Is the connector in good condition?
YES : Replace the PCM. Then go to Step 11.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 11.
AK200947
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CONNECTOR: D-135
HARNESS CONNECTOR:
COMPONENT SIDE
AB
PCM
D-135(GR)
AK200947
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CONNECTOR: D-135
HARNESS CONNECTOR:
COMPONENT SIDE
AB
PCM
D-135(GR)
TSB Revision
DIAGNOSTIC TROUBLE CODE PROCEDURES
13Ac-78
STEP 7. Check the continuity at engine coolant
temperature sensor harness side connector B-37.
(1) Disconnect the connector B-37 and measure at the harness
side.
(2) Check for the continuity between terminal No. 2 and
ground.
• Should be less than 2 ohms.
Q: Is the continuity normal?
YES : Go to Step 10.
NO : Go to Step 8.
STEP 8. Check connector D-135 at PCM for damage.
Q: Is the connector in good condition?
YES : Go to Step 9.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 11.
AK200943
1
2
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
CONNECTOR: B-37
B-37(B)
AK000235
B-37 HARNESS
CONNECTOR:
COMPONENT SIDE
1
2
AL
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CONNECTOR: D-135
HARNESS CONNECTOR:
COMPONENT SIDE
AB
PCM
D-135(GR)
TSB Revision
DIAGNOSTIC TROUBLE CODE PROCEDURES
13Ac-79
STEP 9. Check for open circuit between engine coolant
sensor connector B-37 (terminal No. 2) and PCM connector
D-135 (terminal No. 96).
Q: Is the harness wire in good condition?
YES : Replace the PCM. Then go to Step 11.
NO : Repair it. Then go to Step 11.
AK200943
1
2
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
CONNECTOR: B-37
B-37(B)
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100
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110
111
112
113
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115
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118
119
120
CONNECTOR: D-135
HARNESS CONNECTOR:
COMPONENT SIDE
AB
PCM
D-135(GR)
TSB Revision
DIAGNOSTIC TROUBLE CODE PROCEDURES
13Ac-80
STEP 10. Check the engine coolant temperature sensor.
(1) Disconnect the engine coolant temperature sensor
connector B-37.
(2) Remove the engine coolant temperature sensor.
(3) With the temperature sensing portion of engine coolant
temperature sensor immersed in hot water, check
resistance.
Standard value:
14
− 17 kiloohms [at −20°C (−4°F)]
5.1
− 6.5 kiloohms [at 0°C (32°F)]
2.1
− 2.7 kiloohms [at 20°C (68°F)]
0.9
− 1.3 kiloohms [at 40°C (104°F)]
0.48
− 0.68 kiloohm [at 60°C (140°F)]
0.26
− 0.36 kiloohm [at 80°C (176°F)]
(4) Apply 3M
ä AAD part number 8731 or equivalent on the
screw section of the engine coolant temperature sensor.
(5) Install the engine coolant temperature sensor, and tighten
to the specified torque.
Tightening torque: 29
± 10 N⋅m (22 ± 7 ft-lb)
Q: Is the resistance at the standard value?
YES : Replace the PCM. Then go to Step 11.
NO : Replace the engine coolant temperature sensor. Then
go to Step 11.
STEP 11. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to
GROUP 13A, Procedure 6
− Other Monitor
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0118 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
AK200943
1
2
AB
HARNESS
CONNECTOR:
COMPONENT SIDE
CONNECTOR: B-37
B-37(B)
AKX01622
AKX01623 AB
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