Mitsubishi Montero (2004+). Manual — part 524
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
TSB Revision
CHASSIS ELECTRICAL
54A-65
TROUBLESHOOTING HINTS
• Malfunction of the combination meter (printed-cir-
cuit board or speedometer and tachometer)
• Damaged wiring harness or connectors
DIAGNOSIS
Required Special Tools:
• MB991223: Harness Set
STEP 1. Measure at combination meter connector D-03 in
order to check the battery circuit of power supply system
to the combination meter.
(1) Disconnect combination meter connector D-03, and
measure at the wiring harness side.
(2) Measure the voltage between terminal 67 and ground.
• The voltage should equal approximately 12 volts (bat-
tery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery
positive voltage)?
YES : Go to Step 4.
NO : Go to Step 2.
STEP 2. Check combination meter connector D-03 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is combination meter connector D-03 in good
condition?
YES : Go to Step 3.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Check to see that all meters operate.
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)
AC204738DQ
HARNESS SIDE: D-03
51
52
61 60
53
54
56
57
55
63
66 65 64
59
62
58
67
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-66
STEP 3. Check the wiring harness between combination
meter connector D-03 (terminal 67) and the battery.
NOTE: Also check intermediate connector D-28, junction block
connector D-217 and D-221. If intermediate connector D-28,
junction block connector D-217 and D-221 is damaged, repair
or replace the connector as described in GROUP 00E, Harness
Connector Inspection
.
Q: Is the wiring harness between combination meter
connector D-03 (terminal 67) and the battery in good
condition?
YES : There is no action to be taken.
NO : Repair the wiring harness. Check to see that all
meters operate.
AC204188
CONNECTORS: D-03, D-28
BW
HARNESS SIDE
D-28
D-28
D-03(GR)
51
52
61 60
53
54
56
57
55
63
66 65 64
59
62
58
67
D-03(GR)
2 3
27
32
28
33
16
15
4 5
19
18
29
17
34
7 8
35
22
21
9 10
30
36
31
37
25
24
23
6
20
1
14
26
11
13
12
38
AC204191
CONNECTORS : D-217, D-221
D-217
D-217
HARNESS SIDE
HARNESS SIDE
D-221
D-221
AR
3
1
4
6 5
7
8
2
8
1
11 10
3
4
12
9
2
13
14
6 5
15
7
COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR
TSB Revision
CHASSIS ELECTRICAL
54A-67
STEP 4. Measure at combination meter connector D-03 in
order to check the ignition switch (IG1) circuit of power
supply system to the combination meter.
(1) Disconnect combination meter connector D-03, and
measure at the wiring harness side.
(2) Turn the ignition switch to "ON" position.
(3) Measure the voltage between terminal 62 and ground.
• The voltage should equal approximately 12 volts (bat-
tery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery
positive voltage)?
YES : Go to Step 7.
NO : Go to Step 5.
STEP 5. Check combination meter connector D-03 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is combination meter connector D-03 in good
condition?
YES : Go to Step 6.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Check to see that all meters operate.
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)
AC204738 DP
HARNESS SIDE: D-03
51
52
61 60
53
54
56
57
55
63
66 65 64
59
62
58
67
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-68
STEP 6. Check the wiring harness between combination
meter connector D-03 (terminal 62) and ignition switch
(IG1).
NOTE: Also check junction block connectors D-208 and D-210.
If junction block connector D-208 or D-210 is damaged, repair
or replace the connector as described in GROUP 00E, Harness
Connector Inspection
.
Q: Is the wiring harness between combination meter
connector D-03 (terminal 62) and ignition switch (IG1) in
good condition?
YES : There is no action to be taken.
NO : Repair the wiring harness. Check to see that all
meters operate.
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)
AC204191
CONNECTORS: D-208, D-210
D-208
AC
HARNESS SIDE
HARNESS SIDE
D-210
D-208
D-210
1
2
3
5
6
4
1
2
7 6
3
9
4
11
12
10
13
5
8
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