ignition switch INFINITI FX35 2008 Service Manual
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![INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSIS FOR SYMPTOMSBRC-49
< SERVICE INFORMATION > [VDC/TCS/ABS]
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TROUBLE DIAGNOSIS FOR SYMPTOMS
Excessive ABS Function Operation FrequencyINFOID:000000000 INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSIS FOR SYMPTOMSBRC-49
< SERVICE INFORMATION > [VDC/TCS/ABS]
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TROUBLE DIAGNOSIS FOR SYMPTOMS
Excessive ABS Function Operation FrequencyINFOID:000000000](/img/42/57017/w960_57017-1063.png)
TROUBLE DIAGNOSIS FOR SYMPTOMSBRC-49
< SERVICE INFORMATION > [VDC/TCS/ABS]
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TROUBLE DIAGNOSIS FOR SYMPTOMS
Excessive ABS Function Operation FrequencyINFOID:0000000001327692
1.CHECK FRONT AND REAR AXLE
Make sure there is no excessive looseness in the front and rear axles.
OK or NG
OK >> GO TO 2.
NG >> Check front or rear axle system.
2.CHECK WHEEL SENSOR
Perform following inspection for wheel sensor:
Sensor mount and damage inspection
Sensor rotor mount and damage inspection
Sensor connector connection inspection
Sensor harness inspection
OK or NG
OK >> GO TO 3.
NG >> Replace sensor or sensor rotor.
3.CHECK ABS WARNING LAMP DISPLAY
Make sure warning lamp turns off approximately 2 seconds after the ignition switch is turned ON or when driv-
ing.
OK or NG
OK >> Normal
NG >> Perform self-diagnosis. Refer to BRC-26, "
Self-Diagnosis".
Unexpected Pedal ReactionINFOID:0000000001327693
1.CHECK BRAKE PEDAL STROKE
Check brake pedal stroke.
Is the stroke too long?
YES >> Bleed air from brake piping. Check brake pedal, brake booster, and master cylinder mount for play, looseness, and brakesystem for fluid leaks, etc. If any malfunctions are found, make repair.
NO >> GO TO 2.
2.CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) c onnector E56 and make sure that braking force is suf-
ficient when ABS in not operating. After the inspection, reconnect connector.
OK or NG
OK >> CHECK WHEEL SENSOR. Refer to BRC-49, "Excessive ABS Function Operation Frequency".
NG >> Check brake system.
The Braking Distance Is LongINFOID:0000000001327694
CAUTION:
On slippery road surfaces, the st opping distance might be longer wi th the ABS operating than when
the ABS is not operating.
1.CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector E56 to deactivate ABS. In this condition,
check stopping distance. After inspection, connect connector.
OK or NG
OK >> Bleed air from brake piping. Check brake system.
NG >> CHECK WHEEL SENSOR. Refer to BRC-49, "
Excessive ABS Function Operation Frequency".
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![INFINITI FX35 2008 Service Manual
BRC-50
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYMPTOMS
The ABS Function Does Not Operate
INFOID:0000000001327695
CAUTION:
The ABS does not operate when the sp eed is 10 km/h (6 M INFINITI FX35 2008 Service Manual
BRC-50
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYMPTOMS
The ABS Function Does Not Operate
INFOID:0000000001327695
CAUTION:
The ABS does not operate when the sp eed is 10 km/h (6 M](/img/42/57017/w960_57017-1064.png)
BRC-50
< SERVICE INFORMATION >[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SYMPTOMS
The ABS Function Does Not Operate
INFOID:0000000001327695
CAUTION:
The ABS does not operate when the sp eed is 10 km/h (6 MPH) or less.
1.CHECK ABS WARNING LAMP DISPLAY
Make sure warning lamp turns off approximately 2 seconds after the ignition switch is turned ON or when driv-
ing.
OK or NG
OK >> CHECK WHEEL SENSOR. Refer to BRC-49, "Excessive ABS Function Operation Frequency".
NG >> Perform self-diagnosis. Refer to BRC-26, "
Self-Diagnosis".
Pedal Vibration or ABS Operation Sound OccursINFOID:0000000001327696
CAUTION:
Under the following conditions, when brake pedal is lightly depressed (just place a foot on it), ABS is
activated and vibration is felt. However, this is normal.
When shifting gears
When driving on slippery road
During cornering at high speed
When passing over bumps or grooves
When pulling away just after st arting engine [at approximately 10 km/h (6 MPH) or higher]
1.SYMPTOM CHECK 1
Check if pedal vibration or operati on sound occurs when engine is started.
OK or NG
OK >> Perform self-diagnosis. Refer to BRC-26, "Self-Diagnosis".
NG >> GO TO 2.
2.SYMPTOM CHECK 2
Check symptom when electrical component (headlamps, etc.) switches are operated.
Does the symptom occur when the electrical component (head lamp, etc.) switches are operated?
YES >> Check if there is a radio, antenna, antenna lead wi re, or wiring close to ABS actuator and electric
unit (control unit) (or its wiring), and if there is, move it farther away.
NO >> CHECK WHEEL SENSOR. Refer to BRC-49, "
Excessive ABS Function Operation Frequency".
Vehicle Jerks During VDC/TCS/ABS ControlINFOID:0000000001327697
1.CHECK ENGINE SPEED SIGNAL
Perform CONSULT-III “DATA MONITOR” to check engine speed.
Is engine speed at idle 400 rpm or higher?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK ABS WARNING LAMP DISPLAY
Make sure warning lamp turns off approximately 2 seconds after the ignition switch is turned ON or when driv-
ing.
OK or NG
OK >> System is normal.
NG >> GO TO 3.
3.CHECK ECM SELF-DIAGNOSTIC RESULTS
Perform ECM self-diagnosis.
Are self-diagnosis items displayed?
YES >> Check the corresponding items. Refer to EC-89(VQ35DE), EC-666(VK45DE) in “Engine Control
(EC section)”.
NO >> GO TO 4.
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DI-1
ELECTRICAL
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CONTENTS
DRIVER INFORMATION SYSTEM
SERVICE INFORMATION .. ..........................3
DTC INDEX ..................................................... .....3
U1000 - U1010 .................................................... ......3
B2202 - B2205 ..........................................................3
C1B00 - C1B03 .........................................................3
PRECAUTION .....................................................4
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
4
COMBINATION METERS ...................................5
System Description ............................................. ......5
Component Parts and Harness Connector Loca-
tion ............................................................................
8
Arrangement of Combination Meter ..........................9
Circuit Diagram .......................................................10
Wiring Diagram - METER - .....................................11
Terminal and Reference Value for Combination
Meter .......................................................................
13
Terminal and Reference Value for Unified Meter
and A/C Amp ...........................................................
14
Self-Diagnosis Mode of Combination Meter ............14
CONSULT-III Function (METER/M&A) ...................15
Trouble Diagnosis ...................................................15
Symptom Chart .......................................................16
Power Supply and Ground Circuit Inspection .........16
Vehicle Speed Signal Inspection .............................17
Engine Speed Signal Inspection .............................18
Engine Coolant Temperature Signal Inspection ......19
Fuel Level Sensor Signal Inspection .......................19
Fuel Gauge Pointer Fluctuates, Indicator Wrong
Value or Varies ........................................................
21
Fuel Gauge Does Not Move to FULL Position ........21
Odo/Trip Meter and Illumination Control Switch In-
spection ............................................................... ....
21
Electrical Component Inspection .............................21
Removal and Installation of Combination Meter .....22
Disassembly and Assembly of Combination Meter
....
23
Removal and Installation of Odo/Trip Meter and Il-
lumination Control Switch .................................... ....
24
UNIFIED METER AND A/C AMP ......................26
System Description ..................................................26
Schematic ................................................................27
CONSULT-III Function (METER/M&A) ....................27
Power Supply and Ground Circuit Inspection ..........29
DTC [U1000] CAN Communication Circuit ..............30
DTC [B2202] Meter Commun ication Circuit ............30
DTC [B2205] Vehicle Speed Circuit .................... ....32
Removal and Installation of Unified Meter and A/C
Amp .........................................................................
32
WARNING LAMPS ............................................34
System Description .............................................. ....34
Schematic ................................................................35
Wiring Diagram - WARN - .......................................36
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) .......................................................... ....
43
Oil Pressure Warning Lamp Does Not Turn Off
(Oil Pressure Is Normal) ...................................... ....
45
Component Inspection .............................................46
A/T INDICATOR ................................................47
System Description ..................................................47
Wiring Diagram - AT/IND - .......................................48
A/T Indicator Is Malfunction .....................................49
WARNING CHIME .............................................51
System Description .............................................. ....51
Component Parts and Harness Connector Loca-
tion ...........................................................................
53
Schematic ................................................................54
Wiring Diagram - CHIME - .......................................55
Terminal and Reference Value for BCM ..................57
Terminal and Reference Value for Unified Meter
and A/C Amp. ...................................................... ....
59
Terminal and Reference Value for Combination
Meter .......................................................................
59
CONSULT-III Function (METER/M&A) ....................60
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DI-2
CONSULT-III Function (BCM) ................................60
Trouble Diagnosis ...................................................61
Symptom Chart .......................................................61
Power Supply and Ground Circuit Inspection .........61
Combination Meter Buzzer Circuit Inspection .........62
Front Door Switch (Driver Side) Signal Inspection ...63
Key Switch Signal Inspection (Without Intelligent
Key) ..................................................................... ...
64
Key Switch and Ignition Knob Switch Signal In-
spection (With Intelligent Key, When Mechanical
Key Is Used) ........................................................ ...
65
Lighting Switch Signal Inspection ...........................66
Seat Belt Buckle Switch (Driver Side) Signal In-
spection ............................................................... ...
66
Component Inspection ............................................67
LANE DEPARTURE WARNING SYSTEM ........69
Precaution for Lane Departure Warning (LDW)
system ................................................................. ...
69
System Description .................................................69
Action Test ..............................................................71
Camera Aiming Adjustment ....................................71
Component Parts and Harness Connector Loca-
tion ..........................................................................
76
Schematic ...............................................................77
Wiring Diagram - LDW - .........................................78
Terminal and Reference Value for LDW Camera
Unit .........................................................................
81
CONSULT-III Function (LDW) ................................81
Trouble Diagnosis ...................................................83
Preliminary Check ..................................................84
Power Supply and Ground Circuit Inspection .........84
DTC [C1B00] CAMERA UNIT MALF ......................85
DTC [C1B01] CAM AIMING INCMP .......................85
DTC [C1B02] VHCL SPD DATA MALF ..................85
DTC [C1B03] ABNRML TEMP DETECT ................86
DTC [U1000] CAN COMM CIRCUIT ......................86
DTC [U1010] CONTROL UNIT (CAN) ....................86
LDW Chime Circuit Inspection ................................86
LDW Switch Circuit Inspection ...............................88
LDW Indicator Lamp Circuit Inspection ..................90
Turn Signal Input Inspection ................................ ...91
Electrical Component Inspection ............................91
Removal and Installation for LDW Camera Unit .....91
Removal and Installation for LDW Chime ............ ...91
Removal and Installation for LDW Switch ...............92
CAN COMMUNICATION ...................................93
System Description .............................................. ...93
CAN Communication Unit .......................................93
COMPASS .........................................................94
Precaution for Compass ...................................... ...94
System Description .................................................94
Troubleshooting ......................................................94
Zone Variation Setting Procedure ...........................95
Calibration Procedure .............................................95
Wiring Diagram - COMPAS - ..................................97
Removal and Installation of Compass ....................97
CLOCK ..............................................................98
Wiring Diagram - CLOCK - .................................. ...98
Removal and Installation of Clock ...........................98
REAR VIEW MONITOR ....................................100
System Description .............................................. .100
Component Parts and Harness Connector Loca-
tion ........................................................................
101
Schematic .............................................................102
Wiring Diagram - R/VIEW - ...................................103
Terminal and Reference Value for Rear View
Camera Control Unit .............................................
106
CONSULT-III Function (REARVIEW CAMERA) ...106
Side Distance Guideline Correction ......................107
Power Supply and Ground Circuit Inspection .......108
Rear View Is Not Displayed with the A/T Selector
Lever in R-Position ................................................
108
The Rear View Image Is Distorted ........................112
Removal and Installation of Rear View Camera
Control Unit .......................................................... .
113
Removal and Installation of Rear View Camera ...113
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COMBINATION METERSDI-5
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COMBINATION METERS
System DescriptionINFOID:0000000001328433
UNIFIED METER CONTROL UNIT
Speedometer, odo/trip meter, tachometer, fuel gauge and water temperature gauge are controlled by the
unified meter control unit, which is built into the comb ination meter. Unified meter control unit receives sig-
nals from unified meter and A/C amp.
Warning lamp and indicator lamp of combination meter are controlled by signals drawn from the unified meter and A/C amp.
Odo/trip meter, A/T indicator and ICC system disp lay segments can be checked in self-diagnosis mode.
Meters/gauges can be checked in self-diagnosis mode.
UNIFIED METER AND A/C AMP.
Refer to DI-26, "System Description" in “UNIFIED METER AND A/C AMP”.
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
through 10A fuse [No. 19, located in the fuse block (J/B)]
to combination meter terminal 8, and
to unified meter and A/C amp. terminal 21.
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 7,
through 10A fuse [No. 12, located in the fuse block (J/B)]
to unified meter and A/C amp. terminal 22.
With the ignition switch in the ACC or ON position, power is supplied
through 10A fuse [No. 6, located in the fuse block (J/B)]
to combination meter terminal 4,
through 15A fuse [No. 10, located in the fuse block (J/B)], and
through 15A fuse [No. 11, located in the fuse block (J/B)]
to unified meter and A/C amp. terminal 46.
Ground is supplied
to combination meter terminals 5, 6 and 15
through grounds M35, M45 and M85,
to unified meter and A/C amp. terminals 29 and 30
through grounds M35, M45 and M85.
SPEEDOMETER
The speedometer indicates the vehicle speed.
ABS actuator and electric unit (control unit) provides a vehicle speed signal to the unified meter and A/C amp. with CAN communication.
Unified meter and A/C amp. converts the vehicle s peed signal to the 8-pulse signal, and outputs the vehicle
speed signal (8-pulse) to combination meter.
Combination meter indicates the vehicle speed according to vehicle speed signal (8-pulse) signal.
TACHOMETER
The tachometer indicates engine speed in revolutions per minute (rpm).
ECM provides engine speed signal to unified meter and A/C amp. with CAN communication.
Unified meter and A/C amp. transmits engine speed signal to combination meter with communication line.
SKIB7332E
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COMBINATION METERSDI-7
< SERVICE INFORMATION >
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Switch modes with following procedure.
When trip transfer switch is pressed, trip meter display changes.
If trip reset switch is pressed for 1 second or more while “trip A” is displayed, only “trip A” is reset.
NOTE:
The record of the odo meter is kept even if the battery cable is dis-
connected. The record of the trip meter is erased when the battery
cable is disconnected.
COMBINATION METER ILLUMINATION CONTROL
Daytime Mode
When ignition switch is turned ON, combination meter il lumination is turned ON by unified meter control unit.
Nighttime Mode
Unified meter control unit is transferred to nighttime mode, with ignitio\
n switch turned ON and position light
request signal from BCM with CAN communication.
When nighttime mode, illumination c ontrol switch illumination turns
ON by unified meter control unit. Each illumination is controlled by
unified meter control unit.
Each illumination can be adjusted to 16 step by illumination control switch in nighttime mode.
NOTE:
For further details of illumination circuit, refer to LT-169, "
System
Description".
FA I L - S A F E
Combination meter performs fail-safe operation when unified meter and A/C amp. communication is malfunc-
tioning.
SKIB8760E
SKIA4817E
SKIA4795E
Function Fail-safe operation
Speedometer
Return to zero.
Tachometer
Fuel gauge
Water temperature gauge
Illumination control Combination meter illumination Change to nighttime mode.
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COMBINATION METERSDI-13
< SERVICE INFORMATION >
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Terminal and Reference Va lue for Combination MeterINFOID:0000000001328438
Te r m i n a l
No. Wire
color Item Condition
Reference value
Ignition
switch Operation or condition
1G Vehicle speed signal
(8-pulse)
ONSpeedometer operated
[When vehicle speed is ap-
prox. 40 km/h (25 MPH)] NOTE:
Maximum voltage may be 5 V due to
specifications (connected units).
4 LG ACC power supply ACC — Battery voltage
5 B Ground ON — Approx. 0 V
6
7 G/Y Ignition power supply ON — Battery voltage
8 R/W Battery power supply OFF — Battery voltage
13 L/B TX communication line (To
unified meter and A/C amp.)
ON —
14 PU RX communication line (From
unified meter and A/C amp.) ON —
15 B Ground ON — Approx. 0 V
25 — Illumination control switch (–) OFF Illumination control switch (–)
is pressed.
Approx. 0 V
Illumination control switch (–)
is released. Approx. 5 V
26 — Illumination control switch (+) OFF Illumination control switch (+)
is pressed.
Approx. 0 V
Illumination control switch (+)
is released. Approx. 5 V
27 — Odo/trip meter and illumina-
tion control switch ground
OFF — Approx. 0 V
35 — Trip reset switch OFF Trip reset switch is pressed Approx. 0 V
Trip reset switch is released Approx. 5 V
36 — Trip transfer switch OFF Trip transfer switch is pressed Approx. 0 V
Trip transfer switch is released Approx. 5 V
PKIA1935E
SKIA3361E
SKIA3362E
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DI-14
< SERVICE INFORMATION >
COMBINATION METERS
Terminal and Reference Value for Unified Meter and A/C Amp
INFOID:0000000001328439
Self-Diagnosis Mode of Combination MeterINFOID:0000000001328440
SELF-DIAGNOSIS FUNCTION
Odo/trip meter, A/T indicator and ICC system disp lay segments operation can be checked in self-diagnosis
mode.
Meters/gauges can be checked in self-diagnosis mode.
OPERATION PROCEDURE
1. Turn ignition switch ON, and switch the odo/trip meter to “trip A” or “trip B”. NOTE:
If the self-diagnosis function is activated with the “t rip A” displayed, only “trip A” display is reset.
2. Turn ignition switch OFF.
Te r m i n a l No. Wire
color Item Condition
Reference value
Ignition
switch Operation or condition
1 L CAN-H — — —
9PU TX communication line (To
combination meter) ON —
11 P C A N - L — — —
19 L/B RX communication line (From
combination meter) ON —
21 R/W Battery power supply OFF — Battery voltage
22 W Ignition power supply ON — Battery voltage
26 G Vehicle speed signal
(8-pulse)
ONSpeedometer operated
[When vehicle speed is ap-
prox. 40 km/h (25 MPH)] NOTE:
Maximum voltage may be 5 V due to
specifications (connected units).
28 W/B Fuel level sensor signal — — Refer to
DI-21, "
Electrical Compo-
nent Inspection".
29 B Ground (For power) ON — Approx. 0 V
30 B Ground ON — Approx. 0 V
36 B/W Fuel level sensor ground ON — Approx. 0 V
46 L/W ACC power supply ACC — Battery voltage
SKIA3362E
SKIA3361E
PKIA1935E
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COMBINATION METERSDI-15
< SERVICE INFORMATION >
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3. Turn ignition switch ON while pressing trip transfer switch and trip reset switch at the same time.
4. After ignition switch is turned ON, release trip transfer switch and trip reset switch (within 7 seconds after the ignition switch is
turned ON).
5. All the segments on the odo/trip meter, A/T indi cator and ICC system display illuminates, and simulta-
neously the low-fuel warning lamp indicator illuminates. At this time, the unified meter control unit is turned
to self-diagnosis mode.
NOTE:
Check odo/trip meter switch and combination meter power supply and ground circuit when self-diagno-
sis mode of combination meter does not start. Replace combination meter if the results of the check are
normal.
If any of the segments are not disp layed, replace combination meter.
6. Each meter/gauge activates during pressing trip reset switch. (Then low-fuel warning lamp turns OFF.)
NOTE:
If any of the meters/gauges are not activated, replace thecombination meter.
The figure is reference.
CONSULT-III Function (METER/M&A)INFOID:0000000001328441
Refer to DI-27, "CONSULT-III Function (METER/M&A)" in “UNIFIED METER AND A/C AMP”.
Trouble DiagnosisINFOID:0000000001328442
HOW TO PERFORM TROUBLE DIAGNOSIS
1. Confirm the symptom or customer complaint.
2. Perform preliminary check. Refer to "PRELIMINARY CHECK".
3. According to the symptom chart, repair or replace the cause of the symptom. Refer to DI-16, "
Symptom
Chart".
4. Does the meter operate normally? If so, GO TO 5. If not, GO TO 2.
5. INSPECTION END
PRELIMINARY CHECK
1.CHECK OPERATION OF SELF-DIAGNOSIS MODE (COMBINATION METER)
SKIA4817E
SKIA6170E
SKIA4831E
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DI-16
< SERVICE INFORMATION >
COMBINATION METERS
Perform self-diagnosis mode of combination meter. Refer to DI-14, "Self-Diagnosis Mode of Combination
Meter".
Does self-diagnosis function operate?
YES >> GO TO 2.
NO >> GO TO 3.
2.CHECK UNIFIED METER AND A/C AMP. (CONSULT-III)
Perform self-diagnosis of unified meter and A/C amp. Refer to DI-27, "
CONSULT-III Function (METER/M&A)".
Self-diagnosis results
No malfunction detected >> INSPECTION END
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT OF COMBINATION METER
Check power supply and ground circuit of combination meter. Refer to DI-16, "
Power Supply and Ground Cir-
cuit Inspection".
OK or NG
OK >> Check odo/trip meter switch. Refer to DI-21, "Odo/Trip Meter and Illumination Control Switch
Inspection".
NG >> Repair malfunctioning part.
Symptom ChartINFOID:0000000001328443
Power Supply and Ground Circuit InspectionINFOID:0000000001328444
1.CHECK FUSE
Check for blown combination meter fuses.
OK or NG
OK >> GO TO 2.
NG >> Be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-3, "
Schematic".
2.CHECK POWER SUPPLY CIRCUIT
Symptom Possible cause
Speedometer and odo/trip meter indication is malfunctioning. Refer to DI-17, "
Vehicle Speed Signal Inspection".
Tachometer indication is malfunctioning. Refer to DI-18, "
Engine Speed Signal Inspection".
Water temperature gauge indication is malfunctioning. Refer to DI-19, "
Engine Coolant Temperature Signal Inspection".
Fuel gauge indication is malfunctioning. Refer to DI-19, "
Fuel Level Sensor Signal Inspection".
Low-fuel warning lamp indication is irregular.
A/T indicator is malfunctioning. Refer to DI-49, "
A/T Indicator Is Malfunction".
Illumination control does not operate. Refer to
DI-21, "
Odo/Trip Meter and Illumination Control Switch In-
spection".
Power source Fuse No.
Battery power supply 19 ACC power supply 6
Ignition power supply 14
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C