Mitsubishi Montero (2004+). Manual — part 523
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
TSB Revision
CHASSIS ELECTRICAL
54A-61
STEP 2. Check the engine coolant temperature gauge unit.
Check to see that the engine coolant temperature gauge unit
operates normally. Refer to
.
Q: Is the engine coolant temperature gauge unit normal?
YES : Go to Step 3.
NO : Replace the engine coolant gauge unit. The engine
coolant gauge should work normally.
STEP 3. Measure at combination meter connector D-32 in
order to the ground circuit to the engine coolant
temperature gauge.
(1) Disconnect combination meter connector D-32 and
measure at the wiring harness side.
(2) Measure the resistance value between terminal 11 and
ground.
• The resistance should equal 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 6.
NO : Go to Step 4.
STEP 4. Check combination meter connector D-32 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is combination meter connector D-32 in good
condition?
YES : Go to Step 5.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. The fuel gauge should work normally.
AC204170
CONNECTOR : D-32
CU
HARNESS SIDE
D-32(GR)
D-32(GR)
3
4
16
17
1
2
14
15
5
7 6
19
13
8
9
21
22
20
18
23
10
11
24
25
12
AC204738 EF
HARNESS SIDE: D-32
3
4
16
17
1
2
14
15
5
7 6
19
13
8
9
21
22
20
18
23
10
11
24
25
12
AC204170
CONNECTOR : D-32
CU
HARNESS SIDE
D-32(GR)
D-32(GR)
3
4
16
17
1
2
14
15
5
7 6
19
13
8
9
21
22
20
18
23
10
11
24
25
12
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
TSB Revision
CHASSIS ELECTRICAL
54A-62
STEP 5. Check the wiring harness between combination
meter connector D-32 (terminal 11) and ground.
Q: Is the wiring harness between combination meter
connector D-32 (terminal 11) and ground in good
condition?
YES : There is no action to be taken.
NO : Repair the wiring harness. The fuel gauge should
work normally.
STEP 6. Check engine coolant temperature gauge unit
connector B-38 and combination meter connector D-03 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Are engine coolant temperature gauge unit connector
B-38 and combination meter connector D-03 in good
condition?
YES : Go to Step 7.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. The engine coolant gauge should work
normally.
AC204170
CONNECTOR : D-32
CU
HARNESS SIDE
D-32(GR)
D-32(GR)
3
4
16
17
1
2
14
15
5
7 6
19
13
8
9
21
22
20
18
23
10
11
24
25
12
AC204168
CONNECTOR : B-38
B-38(B)
B-38(B)
AD
1
HARNESS
SIDE
AC204170
CONNECTOR : D-03
AC
D-03(GR)
HARNESS
SIDE
51
52
61 60
53
54
56
57
55
63
66 65 64
59
62
58
67
D-03(GR)
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
TSB Revision
CHASSIS ELECTRICAL
54A-63
STEP 7. Check the wiring harness between engine coolant
temperature gauge unit connector B-38 (terminal 1) and
combination meter connector D-03 (terminal 64).
NOTE: Also check intermediate connector E-111. If intermedi-
ate connector E-111 is damaged, repair or replace the connec-
tor as described in GROUP 00E, Harness Connector
Inspection
.
Q: Is the wiring harness between engine coolant
temperature gauge unit connector B-38 (terminal 1) and
combination meter connector D-03 (terminal 64) in good
condition?
YES : Repair or replace the combination meter. The engine
coolant gauge should work normally.
NO : Repair the wiring harness. The engine coolant gauge
should work normally.
AC204168
CONNECTOR : B-38
B-38(B)
B-38(B)
AD
1
HARNESS
SIDE
AC204170
CONNECTOR : D-03
AC
D-03(GR)
HARNESS
SIDE
51
52
61 60
53
54
56
57
55
63
66 65 64
59
62
58
67
D-03(GR)
AC204176
CONNECTOR : E-111
BF
15
4
14
37
36
26 27
12
11
35
34
23 24
3
13
25
9
2
8
32
20 21
6
5
17
29
30
18
1
7
19
31
10
22
33
16
28
38
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
TSB Revision
CHASSIS ELECTRICAL
54A-64
INSPECTION PROCEDURE 6: Combination Meter does not Work.
.
CIRCUIT OPERATION
The combination meter is powered by the ignition
switch (IG1) and the battery.
.
TECHNICAL DESCRIPTION (COMMENT)
The cause is thought to be malfunction of the power,
ground circuitry of the combination meter.
.
COMBINATION
METER
FUEL
GAUGE
CPU
TACHO
METER
SPEED
METER
TEMP
GAUGE
IGNITION
SWITCH (IG1)
FUSIBLE
LINK
1
JUNCTION
BLOCK
RELAY
BOX
Combination Meter Power Supply Circuit
AC204170
CONNECTORS : D-03, D-28, D-32
DD
D-03(GR)
D-28
D-32(GR)
AC204173
CONNECTORS : D-208, D-210, D-217, D-221
BI
D-208
D-210
D-217
D-221
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