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DI-4
< SERVICE INFORMATION >
COMBINATION METERS
COMBINATION METERS
Component Parts and Harness Connector LocationINFOID:0000000001704490
System DescriptionINFOID:0000000001704491
UNIFIED METER CONTROL UNIT
• Speedometer, odo/trip meter, tachometer and fuel gauge are controlled by the unified meter control unit,
which is built into the combination meter.
• Warning and indicator lamps are controlled by signals drawn from the CAN communication system, BCM
(body control module), and components connected directly to the combination meter.
• Odo/trip meter and A/T indicator (with A/T) or CVT indicator (with CVT) segments can be checked in self-
diagnosis mode.
• Meters/gauges can be checked in self-diagnosis mode.
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
• through 10A fuse [No. 13, located in the fuse block (J/B)]
• to combination meter terminal 27.
With the ignition switch in the ON or START position, power is supplied
• through 10A fuse [No. 14, located in the fuse block (J/B)]
• to combination meter terminal 28.
Ground is supplied
• to combination meter terminals 21, 22 and 23
• through grounds M57 and M61.
1. Combination meter M24 2. ECM E16 3. ABS actuator and electric unit (con-
trol unit) E33
4. Fuel level sensor unit and fuel pump
(fuel level sensor) B100 (view with
rear seat and inspection hole cover
removed)
(⇐: Front)5. Vehicle speed sensor F41 (A/T
shown, M/T similar)6. TCM E31 (view with instrument low-
er finisher removed)
WKIA5450E
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COMBINATION METERS
DI-5
< SERVICE INFORMATION >
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SPEEDOMETER
With ABS
The ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via
CAN communication lines.
Without ABS or CVT
The vehicle speed sensor provides a vehicle speed signal to the combination meter for speedometer indica-
tion.
With CVT, Without ABS
The TCM provides a vehicle speed signal to the combination meter via CAN communication lines.
TACHOMETER
The tachometer indicates engine speed in revolutions per minute (rpm). The ECM provides an engine speed
signal to combination meter via CAN communication lines.
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by the unified meter control unit and a variable resistor signal supplied
• to combination meter terminal 24
• through fuel level sensor unit and fuel pump terminal 5
• through fuel level sensor unit and fuel pump terminal 2
• from combination meter terminal 6.
ODO/TRIP METER
The vehicle speed signal and the memory signals from the meter memory circuit are processed by the combi-
nation meter and the mileage is displayed.
How to Change the Display
Refer to Owner's Manual for odo/trip meter operating instructions.
CAN COMMUNICATION SYSTEM DESCRIPTION
Refer to LAN-6 .
WKIA5370E
SKIB6904E
Page 1027 of 2771
DI-6
< SERVICE INFORMATION >
COMBINATION METERS
Arrangement of Combination Meter
INFOID:0000000001704492
WKIA5451E
Page 1028 of 2771
COMBINATION METERS
DI-7
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Internal CircuitINFOID:0000000001704493
LKWA0348E
Page 1029 of 2771
DI-8
< SERVICE INFORMATION >
COMBINATION METERS
Wiring Diagram - METER -
INFOID:0000000001704494
LKWA0349E
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COMBINATION METERS
DI-9
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WKWA4989E
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DI-10
< SERVICE INFORMATION >
COMBINATION METERS
Combination Meter Harness Connector Terminal Layout
INFOID:0000000001704495
Terminal and Reference Value for Combination MeterINFOID:0000000001704496
LKIA0698E
Te r -
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No.Wire
colorItemCondition
Reference value (V)
(Approx.) Ignition
switchOperation or condition
1LCAN-H — — —
2PCAN-L — — —
3GVehicle speed signal output
(2-pulse)ONSpeedometer operated
[When vehicle speed is approx.
40 km/h (25 MPH)] NOTE:
Maximum voltage may be 5 V due to
specifications (connected units).
4SBVehicle speed signal output
(8-pulse)ONSpeedometer operated
[When vehicle speed is approx.
40 km/h (25 MPH)]NOTE:
Maximum voltage may be 12 V due to
specifications (connected units).
5WVehicle speed signal (without
ABS or CVT)ONSpeedometer operated
[When vehicle speed is approx.
20 km/h (12 MPH)]240 Hz
6 BR Fuel level sensor signal (+) — —Refer to DI-19, "
Electrical Component
Inspection" .
8 P O/D OFF switch ONO/D OFF switch pressed 0
O/D OFF switch released Battery voltage
9 Y Seat belt buckle switch LH ONUnfastened (ON) 0
Fastened (OFF) Battery voltage
10 SB Parking Brake switch ONParking brake applied 0
Parking brake released Battery voltage
11 LG Brake fluid level switch ONBrake fluid level low 0
Brake fluid level normal Battery voltage
12 BR Illumination control switch (+) — — Refer to LT- 1 0 5 , "
System Description" .
PKIC0642E
PKIC0643E
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COMBINATION METERS
DI-11
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Self-Diagnosis Mode of Combination MeterINFOID:0000000001704497
SELF-DIAGNOSIS MODE FUNCTION
• Self-diagnosis can check for continuity between meter control circuit and each meter (speedometer, tachom-
eter and fuel gauge).
• Self-diagnosis can check for odo/trip meter and A/T indicator (with A/T) or CVT indicator (with CVT) seg-
ment, low-fuel level warning lamp, low water temperature indicator lamp, and high water temperature warn-
ing lamp.
OPERATION PROCEDURE
1. Turn the ignition switch ON, and switch the odo/trip meter to “trip A” or “trip B”.
NOTE:
13 B Illumination control switch (-) — — Refer to LT- 1 0 5 , "System Description" .
17 GWasher fluid level switch
(Canada models)ONWasher fluid level low 0
Washer fluid level normal Battery voltage
21
BGround — — 0 22
23
24 V Fuel level sensor ground (-) ON — 0
26 BVehicle speed sensor ground
(without ABS or CVT)ON — 0
27 G Battery power supply OFF — Battery voltage
28 SB Ignition switch ON or START ON — Battery voltage
29 GR Seat belt buckle switch RH ONUnfastened (ON) 0
Fastened (OFF) Battery voltage
30 G Stop lamp switch ONBrake pedal depressed Battery voltage
Brake pedal released 0
31 V A/T N-range input (with A/T) ONTransmission gear selector lever
in N positionBattery voltage
Transmission gear selector lever
other than N position0
32 W A/T P-range input (with A/T) ONTransmission gear selector lever
in P positionBattery voltage
Transmission gear selector lever
other than P position0
33 Y A/T PN output (with A/T) ONTransmission gear selector lever
in P or N position0
Transmission gear selector lever
other than P or N positionBattery voltage
35 BREngine coolant temperature
signal outputONAt idle [after warming up, approx.
80°C (176°F)]
NOTE:
The waveforms vary depending
on engine coolant temperature.
38 L Generator ONGenerator voltage low 0
Generator voltage normal Battery voltage Te r -
mi-
nal
No.Wire
colorItemCondition
Reference value (V)
(Approx.) Ignition
switchOperation or condition
SKIB3651J