Ignition switch INFINITI FX35 2005 Service Manual
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![INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS BRC-55
[VDC/TCS/ABS]
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Symptom 4: The ABS Function Does Not OperateAFS001TA
CAUTION:
The ABS does not operate when](/img/42/57020/w960_57020-1195.png "INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS BRC-55
[VDC/TCS/ABS]
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Symptom 4: The ABS Function Does Not OperateAFS001TA
CAUTION:
The ABS does not operate when")
TROUBLE DIAGNOSIS BRC-55
[VDC/TCS/ABS]
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Symptom 4: The ABS Function Does Not OperateAFS001TA
CAUTION:
The ABS does not operate when the speed 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 >> GO TO symptom 1 “Step 2”. Refer to BRC-53, "Symptom 1: Excessive ABS Function Operation
Frequency" .
NG >> Perform self-diagnosis. Refer to BRC-27, "
SELF-DIAGNOSIS" .
Symptom 5: Pedal Vibration or ABS Operation Sound OccursAFS001TB
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 starting engine [at approximately 10 km/h (6 MPH) or higher]
1. SYMPTOM CHECK 1
Check if pedal vibration or operation sound occurs when engine is started.
OK or NG
OK >> Perform self-diagnosis. Refer to BRC-27, "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 wire, or wiring close to ABS actuator and electric unit (control unit) (or its wiring), and if there is, move it farther away.
NO >> GO TO symptom 1 “Step 2”. Refer to BRC-53, "
Symptom 1: Excessive ABS Function Operation
Frequency" .
Symptom 6: Vehicle Jerks During VDC/TCS/ABS ControlAFS001TC
1. CHECK ENGINE SPEED SIGNAL
Perform CONSULT-II “DATA MONITOR” to check engine speed.
Is engine speed at idle 400 rpm or higher?
YES >> GO TO 3.
NO >> GO TO 2.
2. ABS WARNING LAMP DISPLAY CHECK
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.
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DI-1
DRIVER INFORMATION SYSTEM
K ELECTRICAL
CONTENTS
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SECTION DI
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DRIVER INFORMATION SYSTEM
PRECAUTION ............................................................ 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
COMBINATION METERS ...................................... ..... 5
System Description ............................................. ..... 5
UNIFIED METER CONTROL UNIT ................. ..... 5
UNIFIED METER AND A/C AMP. .................... ..... 5
HOW TO CHANGE THE DISPLAY FOR ODO/
TRIP METER ................................................... ..... 6
POWER SUPPLY AND GROUND CIRCUIT ... ..... 6
SPEEDOMETER .............................................. ..... 7
TACHOMETER ................................................ ..... 7
WATER TEMPERATURE GAUGE ................... ..... 7
FUEL GAUGE .................................................. ..... 7
Component Parts and Harness Connector Location ..... 7
Arrangement of Combination Meter .................... ..... 8
Circuit Diagram ................................................... ..... 9
Wiring Diagram — METER — ............................. ... 10
Terminals and Reference Value for Combination
Meter ................................................................... ... 12
Terminals and Reference Value for Unified Meter
and A/C Amp. ...................................................... ... 13
Self-Diagnosis Mode of Combination Meter ........ ... 14
SELF-DIAGNOSIS FUNCTION ....................... ... 14
OPERATION PROCEDURE ............................ ... 14
CONSULT-II Function (METER A/C AMP) .......... ... 14
Trouble Diagnosis ............................................... ... 15
HOW TO PERFORM TROUBLE DIAGNOSIS ... 15
PRELIMINARY CHECK ................................... ... 15
Symptom Chart 1 ................................................ ... 17
Symptom Chart 2 ................................................ ... 17
Power Supply and Ground Circuit Inspection ..... ... 18
Vehicle Speed Signal Inspection ......................... ... 20
Engine Speed Signal Inspection ......................... ... 21
Engine Coolant Temperature Signal Inspection .. ... 21
Fuel Level Sensor Signal Inspection ................... ... 22
Odo/Trip Meter and Illumination Control Switch
Inspection ............................................................ ... 24
Fuel Gauge Pointer Fluctuates, Indicator Wrong Value or Varies ....................................................
... 24
Fuel Gauge Does Not Move to FULL Position .... ... 24
Electrical Components Inspection ....................... ... 25
CHECK FUEL LEVEL SENSOR UNIT ............. ... 25
Removal and Installation of Combination Meter .. ... 25
Disassembly and Assembly of Combination Meter ... 26
DISASSEMBLY ................................................ ... 26
ASSEMBLY ...................................................... ... 27
Removal and Installation of Odo/Trip Meter and Illu-
mination Control Switch ....................................... ... 27
REMOVAL ........................................................ ... 27
INSTALLATION ................................................ ... 27
UNIFIED METER AND A/C AMP ........................... ... 28
System Description .............................................. ... 28
INPUT/OUTPUT SIGNALS .............................. ... 28
FAIL-SAFE ....................................................... ... 29
CAN Communication System Description ........... ... 29
CAN Communication Unit .................................... ... 29
Schematic ............................................................ ... 30
CONSULT-II Function (METER A/C AMP) .......... ... 31
CONSULT-II BASIC OPERATION .................... ... 31
SELF-DIAGNOSTIC RESULTS ........................ ... 32
DATA MONITOR .............................................. ... 32
DTC [U1000] CAN Communication Circuit .......... ... 34
DTC [B2202] Meter Communication Circuit ........ ... 34
DTC [B2205] Vehicle Speed Circuit ..................... ... 37
Removal and Installation of Unified Meter and A/C
Amp. .................................................................... ... 37
REMOVAL ........................................................ ... 37
INSTALLATION ................................................ ... 37
COMPASS .............................................................. ... 38
System Description .............................................. ... 38
DIRECTION DISPLAY ...................................... ... 38
Wiring Diagram – COMPAS – ............................. ... 40
Removal and Installation of Compass ................. ... 41
WARNING LAMPS ................................................. ... 42
Schematic ............................................................ ... 42
Wiring Diagram — WARN — ............................... ... 43
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) .......................................................... ... 51
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DI-2Revision: 2005 July 2005 FX
Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) ............................................. ... 52
Component Inspection ......................................... ... 53
OIL PRESSURE SWITCH ................................ ... 53
A/T INDICATOR ..................................................... ... 54
Wiring Diagram — AT/IND — .............................. ... 54
A/T Indicator Is Malfunction ................................. ... 56
WARNING CHIME .................................................. ... 58
System Description .............................................. ... 58
FUNCTION ....................................................... ... 58
IGNITION KEY WARNING CHIME (WITHOUT
INTELLIGENT KEY) ......................................... ... 58
IGNITION KEY WARNING CHIME (WITH INTEL-
LIGENT KEY) ................................................... ... 59
LIGHT WARNING CHIME ................................ ... 59
SEAT BELT WARNING CHIME ........................ ... 59
CAN Communication System Description ........... ... 60
CAN Communication Unit .................................... ... 60
Component Parts and Harness Connector Location ... 61
Schematic ............................................................ ... 62
Wiring Diagram — CHIME — .............................. ... 63
Terminals and Reference Value for BCM ............. ... 66
Terminals and Reference Value for Unified Meter
and A/C Amp. ...................................................... ... 67
Terminals and Reference Value for Combination
Meter ................................................................... ... 67
Trouble Diagnosis ................................................ ... 68
HOW TO PERFORM TROUBLE DIAGNOSIS . ... 68
PRELIMINARY CHECK .................................... ... 68
CONSULT-II Function (BCM) ............................... ... 69
DIAGNOSTIC ITEMS DESCRIPTION .............. ... 69
CONSULT-II BASIC OPERATION PROCEDURE
... 69
DATA MONITOR ............................................... ... 70
ACTIVE TEST .................................................. ... 70
SELF-DIAGNOSTIC RESULTS ........................ ... 71
All Warnings Are Not Operated ........................... ... 71
Key Warning Chime and Light Warning Chime Does
Not Operate (Seat Belt Warning Chime Does Oper-
ate) ...................................................................... ... 72
Key Warning Chime Does Not Operate (Without
Intelligent Key) ..................................................... ... 73
Key Warning Chime Does Not Operate (With Intel-
ligent Key, When Mechanical Key Is Used) ......... ... 75
Key Warning Chime Does Not Operate (With Intel-
ligent Key, When Intelligent Key Is Carried With The
Driver) .................................................................. ... 77
Light Warning Chime Does Not Operate ............. ... 79
Seat Belt Warning Chime Does Not Operate ...... ... 80
LANE DEPARTURE WARNING SYSTEM ............. ... 82
Precautions for Lane Departure Warning (LDW)
system ................................................................. ... 82
System Description .............................................. ... 82
LDW SYSTEM OPERATION ............................ ... 82
POWER SUPPLY AND GROUND CIRCUIT .... ... 84
CAN Communication ........................................... ... 84
SYSTEM DESCRIPTION ................................. ... 84
CAN COMMUNICATION UNIT ......................... ... 85
Action Test ........................................................... ... 85 LDW SYSTEM RUNNING TEST ......................
... 85
Camera Aiming Adjustment ................................. ... 86
OUTLINE .......................................................... ... 86
PREPARATION ................................................. ... 86
TARGET SETTING ........................................... ... 86
VEHICLE HEIGHT CHECK .............................. ... 89
AIMING ADJUSTMENT .................................... ... 89
Component Parts and Harness Connector Location ... 93
Schematic ............................................................ ... 94
Wiring Diagram — LDW — .................................. ... 95
Terminals and Reference Value for LDW Camera
Unit ....................................................................... ... 98
CONSULT-II Function (LDW) ............................... ... 98
DESCRIPTION ................................................. ... 98
CONSULT-II BASIC OPERATION .................... ... 98
WORK SUPPORT ............................................ ... 99
SELF-DIAG RESULTS ...................................... ... 99
DATA MONITOR ............................................... .100
ACTIVE TEST ................................................... .101
Trouble Diagnosis ................................................ .102
HOW TO PERFORM TROUBLE DIAGNOSIS . .102
SYMPTOM CHART ........................................... .102
Preliminary Inspection .......................................... .103
Power Supply and Ground Circuit Inspection ...... .104
DTC [C1B00] CAMERA UNIT MALF ................... .104
DTC [C1B01] CAM AIMING INCMP .................... .104
DTC [C1B02] VHCL SPD DATA MALF ................ .105
DTC [C1B03] ABNRML TEMP DETECT ............. .105
DTC [U1000] CAN COMM CIRCUIT ................... .105
DTC [U1010] CONTROL UNIT (CAN) ................. .105
LDW Chime Circuit Inspection ............................. .106
LDW Switch Circuit Inspection ............................. .107
LDW Indicator Lamp Circuit Inspection ................ .109
Turn Signal Input Inspection ................................ .110
Removal and Installation for LDW Camera Unit .. . 111
REMOVAL ......................................................... . 111
INSTALLATION ................................................. . 111
Removal and Installation for LDW Chime ............ . 111
REMOVAL ......................................................... . 111
INSTALLATION ................................................. . 111
Removal and Installation for LDW Switch ............ . 111
CLOCK ................................................................... .112
Wiring Diagram — CLOCK — .............................. .112
Removal and Installation of Clock ........................ .113
REMOVAL ......................................................... .113
INSTALLATION ................................................. .113
REAR VIEW MONITOR .......................................... .114
System Description .............................................. .114
POWER SUPPLY AND GROUND .................... .114
AV COMMUNICATION LINE ............................ .114
REAR VIEW CAMERA OPERATION ............... .114
Component Parts and Harness Connector Location .115
Schematic ............................................................ .116
Wiring Diagram — R/VIEW — ............................. .117
Terminals and Reference Value for Rear View Cam-
era Control Unit .................................................... .120
CONSULT-II Function (REARVIEW CAMERA) ... .121
CONSULT-II BASIC OPERATION .................... .121
WORK SUPPORT ............................................ .122
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COMBINATION METERS DI-5
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COMBINATION METERSPFP:24814
System DescriptionAKS005MH
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 combination 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.
Digital meter is adopted for odo/trip meter*.
*The record of the odo meter is kept even if the battery cable is disconnected. The record of the trip meter
is erased when the battery cable is disconnected.
Odo/trip meter, A/T indicator and ICC system display segments can be checked in diagnosis mode.
Meters/gauges can be checked in diagnosis mode.
Illumination Control
The unified meter control unit outputs the odo/trip meter and A/T
indicator lighting when the ignition switch is turned on. When the
lighting switch is turned on, light on for the combination meter dial,
illumination control switch and external lighting are output. In addi-
tion, when the lighting switch is turned on, the illumination control
switch on the left side of the combination meter can be used to
adjust the brightness of each light. The brightness can be adjusted
to sixteen different levels: From 0 (no lights) to 15 (maximum).
Pressing the illumination control switch will brighten or darken the
lights. When the ignition switch is in the START position, the combi-
nation meter dial lighting and illumination control switch lighting are
turned off.
UNIFIED METER AND A/C AMP.
Refer to DI-28, "System Description" in “UNIFIED METER AND A/C AMP”.
SKIA4795E
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DI-6
COMBINATION METERS
Revision: 2005 July 2005 FX
HOW TO CHANGE THE DISPLAY FOR ODO/TRIP METER
The vehicle speed signal and the memory signals from the meter memory circuit are processed by the
combination meter and the mileage is displayed.
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. (Trip B operates the same way.)
If the battery is disconnected, odometer mileage will be retained
but the trip meter is reset to 0.0.
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 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.
PKIA2382E
SKIA4817E
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DI-12
COMBINATION METERS
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Terminals and Reference Value for Combination MeterAKS005MM
Terminal
No. Wire
color Item Condition
Reference value
Ignition
switch Operation or condition
1R/G Vehicle speed signal
(8-pulse) ON Speedometer operated
[When vehicle speed is
approx. 40 km/h (25 MPH)] NOTE:
Maximum voltage may be 5 V due
to specifications (connected units).
5 B Ground ON — Approx. 0 V
6
7 G/Y Ignition switch ON or START 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
19 R/B Illumination signal ON Lighting switch ON, then oper-
ate the illumination control
switch.
midway.
Lighting switch OFF Approx. 0 V
25 — Illumination control switch (–) OFF Illumination control switch (–)
is pushed. Approx. 0 V
Illumination control switch (–)
is released. Approx. 5 V
26 — Illumination control switch (+) OFF Illumination control switch (+)
is pushed. 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
PKIA1935E
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SKIA8970E
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COMBINATION METERS DI-13
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Terminals and Reference Value for Unified Meter and A/C Amp.AKS005MN
35 — Trip reset switch OFF Trip reset switch is pushed Approx. 0 V
Trip reset switch is released Approx. 5 V
36 — Trip transfer switch OFF Trip transfer switch is pushed Approx. 0 V
Trip transfer switch is released Approx. 5 V
Te r m i n a l
No. Wire
color Item Condition
Reference value
Ignition
switch Operation or condition
Terminal
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 R C A N L — — —
19 L/B RX communication line (From
combination meter) ON —
21 R/W Battery power supply OFF — Battery voltage
22 G/R Ignition switch ON or START ON — Battery voltage
26 R/G Vehicle speed signal
(8-pulse) ON Speedometer operated
[When vehicle speed is
approx. 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-25, "
CHECK FUEL
LEVEL SENSOR UNIT" .
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 Ignition switch ACC or ON ACC — Battery voltage
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DI-14
COMBINATION METERS
Revision: 2005 July 2005 FX
Self-Diagnosis Mode of Combination MeterAKS005MO
SELF-DIAGNOSIS FUNCTION
Odo/trip meter segment, A/T indicator segment and ICC system display segment 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 diagnosis function is activated with the trip meter A displayed, the mileage on the trip meter A will
indicate 0000.0, but the actual trip mileage will be retained. (Trip B operates the same way.)
2. Turn ignition switch OFF.
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. (With 7 seconds after the ignition switch is
turned ON.)
5. All the segments on the odo/trip meter, A/T indicator and ICC system display illuminates, and simultaneously the low-fuel
warning lamp indicator illuminates. At this time, the unified meter
control unit is turned to diagnosis mode.
NOTE:
If any of the segments is not displayed, replace combination
meter.
6. Push the trip reset switch. Each meter/gauge should indicate as shown in the figure while pushing trip reset switch. (At this time,
the low-fuel warning lamp goes off.)
CONSULT-II Function (METER A/C AMP)AKS005MP
Refer to DI-31, "CONSULT-II Function (METER A/C AMP)" in “UNIFIED METER AND A/C AMP”.
SKIA4817E
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COMBINATION METERS DI-15
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Trouble DiagnosisAKS005MQ
HOW TO PERFORM TROUBLE DIAGNOSIS
1. Confirm the symptom or customer complaint.
2. Perform preliminary check. Refer to DI-15, "
PRELIMINARY CHECK" .
3. According to the symptom chart, repair or replace the cause of the symptom. Refer to DI-17, "
Symptom
Chart 1" .
4. Does the meter operate normally? If so, GO TO 5. If not, GO TO 2.
5. INSPECTION END
PRELIMINARY CHECK
1. CHECK SELF-DIAGNOSTIC RESULTS OF UNIFIED METER AND A/C AMP.
Select “METER A/C AMP” on CONSULT-II, and perform self-diagnosis of unified meter and A/C amp. Refer to
DI-31, "
CONSULT-II Function (METER A/C AMP)" .
Self-diagnostic results content
No malfunction detected>>GO TO 2.
Malfunction detected>> Go to DI-17, "
Symptom Chart 2" .
2. CHECK WARNING LAMP ILLUMINATION
Turn ignition switch ON. (Engine stopped)
Do warning lamps (such as malfunction indicator lamp and oil pressure warning lamp) illuminate?
YES >> GO TO 3.
NO >> Check power supply circuit of combination meter when ignition switch is ON. Refer to DI-18,
"Power Supply and Ground Circuit Inspection" .
3. CHECK SELF-DIAGNOSIS OPERATION OF COMBINATION METER
Perform combination meter self-diagnosis. Refer to DI-14, "
SELF-DIAGNOSIS FUNCTION" .
Does self-diagnosis function operate?
YES >> GO TO 5.
NO >> GO TO 4.
4. CHECK POWER SUPPLY AND GROUND CIRCUIT OF COMBINATION METER
Check power supply and ground circuit of combination meter. Refer to DI-18, "
Power Supply and Ground Cir-
cuit Inspection" .
OK or NG
OK >> Replace combination meter.
NG >> Repair as need.
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DI-18
COMBINATION METERS
Revision: 2005 July 2005 FX
Power Supply and Ground Circuit InspectionAKS005MS
1. CHECK FUSE
Check for blown combination meter and unified meter and A/C amp. fuses.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Check voltage between combination meter harness connector M20 terminals 8 (R/W), 7 (G/Y) and ground.
2. Check voltage between unified meter and A/C amp. harness connector terminals and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following.
Harness between combination meter and fuse
Harness between unified meter and A/C amp. and fuse
Unit Power source Fuse No.
Combination meter Battery 19
Unified meter and A/C amp.
Unified meter and A/C amp Ignition switch ACC or ON 10, 11
Combination meter Ignition switch ON or START 14
Unified meter and A/C amp. Ignition switch ON or START 12
Terminals Ignition switch position
(+) (–) OFF ON
Connector Terminal
(Wire color)
M20 8 (R/W)
Ground Battery voltage Battery voltage
7 (G/Y) 0 V Battery voltage
PKIB3569E
Terminals Ignition switch position
(+) (–) OFF ACC ON
Connector Terminal
(Wire color)
M56 21 (R/W)
Ground Battery
voltage Battery
voltage Battery
voltage
22 (G/R) 0 V 0 V Battery
voltage
M57 46 (L/W) 0 V Battery
voltage Battery
voltage
PKIB3570E