IDI-4
INSTRUMENTATION/DRIVER INFO
COMBINATION METER SYSTEM
2. Combination Meter System
A: SCHEMATIC
1. COMBINATION METER
<Ref. to WI-126, SCHEMATIC, Combination Meter.>
2. OUTSIDE TEMPERATURE INDICATOR
<Ref. to WI-279, SCHEMATIC, Outside Temperature Display System.>
B: INSPECTION
CAUTION:
• When measuring voltage and resistance of the ECM, TCM, or each sensor, use a tapered pin with
a diameter of less than 0.64 mm (0.025 in) in order to avoid poor contact. Do not insert the pin more
than 2 mm (0.08 in).
• Luminescent meter has a CFL (Cold cathode fluorescent light) inverter that generates a high-ten-
sion current. Do not touch the inverter terminal when checking combination meter with ignition
switch turned ON.
1. SYMPTOM CHART
Symptom
Repair order
Reference
Combination meter assembly does not
operate.
(1) Power supply
(2) Ground circuit
<Ref. to IDI-5, CHECK POWER SUPPLY
AND GROUND CIRCUIT, INSPECTION,
Combination Meter System.>
Speedometer does not operate.
(1) (MT) Vehicle speed sensor
(AT) Transmission control module
(2) Harness
(3) Speedometer
MT: <Ref. to IDI-6, CHECK VEHICLE
SPEED SENSOR, INSPECTION, Combi-
nation Meter System.>
AT: <Ref. to IDI-7, CHECK TRANSMIS-
SION CONTROL MODULE, INSPEC-
TION, Combination Meter System.>
Tachometer does not operate.
(1) Engine control module
(2) Harness
(3) Tachometer
<Ref. to IDI-8, CHECK ENGINE CON-
TROL MODULE, INSPECTION, Combi-
nation Meter System.>
Fuel gauge does not operate.
(1) Fuel level sensor
(2) Harness
(3) Fuel gauge
<Ref. to IDI-9, CHECK FUEL LEVEL
SENSOR, INSPECTION, Combination
Meter System.>
Water temperature gauge does not
operate.
(1) Engine coolant temperature sensor
(2) Harness
(3) Water temperature gauge
<Ref. to IDI-11, CHECK ENGINE COOL-
ANT TEMPERATURE SENSOR,
INSPECTION, Combination Meter Sys-
tem.>
Outside temperature indicator does not
operate.
(1) Ambient sensor
(2) Harness
(3) Combination meter
<Ref. to IDI-12, CHECK OUTSIDE TEM-
PERATURE INDICATOR, INSPECTION,
Combination Meter System.>
Indicator and warning lights illuminate
normally, but meter characters are not
displayed when turning ignition switch
ON (Luminescent meter).
Combination meter printed circuit
<Ref. to IDI-13, CHECK COMBINATION
METER PRINTED CIRCUIT, INSPEC-
TION, Combination Meter System.>