Page 438 of 788

COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-50
NOTE: Prior to the wiring harness inspection, check
intermediate connector C-22 ,
C-120 , D-18, and repair if
necessary.
Q: Is the wiring harness between combination meter
connector C-06 (terminal 51) and fuel gauge unit
connector D-13 (terminal 1) in good condition?
YES :
Go to Step 4.
NO : Repair or replace the damaged
component(s). Then go to Step 4.
STEP 4. Retest the system.
Q: Is the fuel gauge normal?
YES :
The procedure is complete. If no
malfunctions are found in all steps, an
intermittent malfunction is suspected (Refer
to GROUP 00, How to Use
Troubleshooting/Inspection Service
Points-How to Cope with Intermittent
Malfunction P.00-5).
NO : Replace combination meter.
AC303871
Connector: D-13
Harness sideD-13 (B)
AI
AC303917
D-13 (B) Connector: D-13
Harness side
AH
AC303798
Harness side Connector C-22
AW
AC303816AY
Connector: C-120
Harness side
AC303871
Connector: D-18
AJ
Harness side
AC303917
Connector: D-18
Harness side
AG
Page 440 of 788

COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-52
STEP 2. Connector check: Combination meter
connector C-06 and engine coolant temperature
gauge unit connector B-112
Q: Is combination meter connector C-06 and engine
coolant temperature gauge unit connector B-112 in
good condition?
YES :
Go to Step 3.
NO : Repair or replace the damage
component(s).
STEP 3. Check the wiring harness between
combination meter connector C-06 (terminal 50)
and engine coolant temperature gauge unit
connector B-112 (terminal 1).
AC303784
Connector: B-112
<4G1-MPI>
Harness side
B-112 (B)
AF
AC303792
AE
Connector: B-112
<4G6-MPI>
B-112 (B) Harness side
AC303798
Connector: C-06
Harness side
C-06 (L)
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
AV
AC303814AU
Connector: C-06
Harness side
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
C-06 (L)
AC303784
Connector: B-112
<4G1-MPI>
Harness side
B-112 (B)
AF
AC303792
AE
Connector: B-112
<4G6-MPI>
B-112 (B) Harness side
AC303798
Connector: C-06
Harness side
C-06 (L)
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
AV
AC303814AU
Connector: C-06
Harness side
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
C-06 (L)
Page 441 of 788
COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-53
NOTE:
Prior to the wiring harness inspection, check
intermediate connectors C-13 ,
C-137 , and repair if necessary.Q: Is the wiring harness between combination meter
connector C-06 (terminal 50) and engine coolant
temperature gauge unit connector B-112 (terminal
1) in good condition?
YES :
Go to Step 4.
NO : Repair or replace the damage
component(s).
STEP 4. Retest the system
Q: Is the engine coolant temperature gauge normal?
YES :
The procedure is complete. If no
malfunctions are found in all steps, an
intermittent malfunction is suspected (Refer
to GROUP 00, How to Use
Troubleshooting/Inspection Service
Points-How to Cope with Intermittent
Malfunction P.00-5).
NO : Replace the combination meter.
AC303800
Connector: C-13
Harness side
AG
AC303818
AM
Connector: C-137
Harness side
Page 443 of 788
COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-55
DIAGNOSIS PROCEDURE
STEP 1. Voltage measurement at combination
meter connector C-04 in order to check the
battery circuit of power supply system to the
combination meter.
(1) Disconnect the combination meter connector
C-04 and measure the voltage at combination
meter connector C-04 harness side.
(2) Measure the voltage between terminal 7 and
earth.
OK: System voltage
Q: IS the check result normal?
YES :
Go to Step 4.
NO : Go to Step 2.
STEP 2. Connector check: Combination meter
connector C-04.
Q: Is combination meter connector C-04 in good
condition?
YES :
Go to Step 3.
NO : Repair or replace the connector. Check to
see that all meters operate.
AC303798
Connector: C-04
Harness side
AT
AC303814
Connector: C-04
Harness side
AT
AC301541
Connector C-04
(Harness side)
EZ
AC303798
Connector: C-04
Harness side
AT
AC303814
Connector: C-04
Harness side
AT
Page 444 of 788
COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-56
STEP 3. Check the wiring harness between
combination meter connector C-04 (terminal 7)
and battery.
NOTE: .Prior to the wiring harness inspection, check
intermediate connectors C-27 ,
C-115 , joint connector C-103,
and repair if necessary.
Q: Are the wiring harness between combination meter
connector C-04 (terminal 7) and battery in good
condition?
YES :
There is no action to be taken.
NO : Repair or replace the wiring harness. Check
to see that all meters operate.
AC303798
Connector: C-04
Harness side
AT
AC303814
Connector: C-04
Harness side
AT
AC303798AX
Connector: C-27
Harness side
AC303802
Connector: C-103
Harness sideC-103 (GR)
AG
AC303818
AO
Connector: C-103
Harness side
C-103 (GR)
AC303816
Connector: C-115
Harness side
AZ
Page 445 of 788
COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-57
STEP 4. Voltage measurement at combination
meter connector C-04 to check the battery circuit
of power supply system to the combination
meter.
(1) Measure at combination meter connector C-04
without disconnecting the connector.
(2) Turn the ignition switch to “ON” position.
(3) Measure the voltage between terminal 9 and
earth.
OK: System voltageQ: Is the check result normal?
YES :
Go to Step 7.
NO : Go to Step 5.
STEP 5. Connector check: combination meter
connector C-04
Q: Is combination meter connector C-04 in good
condition?
YES :
Go to Step 6.
NO : Repair or replace the connector. Check to
see that all meters operate.
AC303798
Connector: C-04
Harness side
AT
AC303814
Connector: C-04
Harness side
AT
AC301541
Connector: C-04
(Harness side)
FA
AC303798
Connector: C-04
Harness side
AT
AC303814
Connector: C-04
Harness side
AT
Page 446 of 788
COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-58
STEP 6. Check the wiring harness between
combination meter connector C-04 (terminal 9)
and ignition switch (IG1).
NOTE: Prior to the wiring harness inspection, check
Junction block connectors C-210 and C-212, joint
connector C-03 , and repair if
necessary.
Q: Are the wiring harness between combination meter
connector C-04 (terminal 42) and ignition switch
(IG1) in good condition?
YES :
There is no action to be taken.
NO : Repair or replace the wiring harness. Check
to see that all meters operate.
AC303798AU
Connector: C-03, C-04
C-04
C-03 (B)
C-04 C-03 Harness side
AC303814
Connector: C-04
Harness side
AT
AC303809
Connector: C-210, C-212
C-212
C-210
C-210 Harness side
C-212
AX
Front view
AC303823
Connector: C-210, C-212
C-210
C-212Front view
Harness side
C-210
C-212
AU
Page 447 of 788
COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-59
STEP 7. Resistance measurement at combination
meter connector C-04 to check the earth circuit
to the combination meter.
(1) Disconnect the combination meter connector
C-04 and measure the resistance at combination
meter connector C-04.
(2) Measure the resistance between terminal 1 and
earth.
OK: 2 ohms or less
(3) Measure the resistance between terminal 2 and
earth.
OK: 2 ohms or lessQ: Is the check result normal?
YES :
Repair or replace the connector.
NO : Go to Step 8.
STEP 8. Connector check: Combination meter
connector C-04.
Q: Is combination meter connector C-04 in good
condition?
YES :
Go to Step 9.
NO : Repair or replace the wiring harness. Check
to see that all meters operate.
AC303798
Connector: C-04
Harness side
AT
AC303814
Connector: C-04
Harness side
AT
AC301541FB
Connector: C-04
(Harness side)
AC303798
Connector: C-04
Harness side
AT
AC303814
Connector: C-04
Harness side
AT