Infiniti G20 (P11). Manual — part 328
Wiring Diagram — METER —
NCEL0045
TEL845B
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
Wiring Diagram — METER —
EL-89
Meter/Gauge Operation and Odo/Trip Meter
Segment Check in Diagnosis Mode
NCEL0151
DIAGNOSIS FUNCTION
NCEL0151S01
I
Odo/trip meter segment can be checked in diagnosis mode.
I
Meters/gauges can be checked in diagnosis mode.
HOW TO ALTERNATE DIAGNOSIS MODE
NCEL0151S02
1.
Turn ignition switch to ON and change odo/trip meter to “TRIP
A” or “TRIP B”.
2.
Turn ignition switch to OFF.
3.
Turn ignition switch to ON when pushing odo/trip meter switch.
4.
Confirm that trip meter indicates “000.0”.
5.
Push odo/trip meter switch more than three times within 5
seconds.
SEL110V
6.
All odo/trip meter segments should be turned on.
NOTE:
If some segments are not turned on, speedometer (unified meter
control unit) with odo/trip meter should be replaced.
At this point, the unified control meter is turned to diagnosis
mode.
SEL111V
7.
Push odo/trip meter switch. Indication of each meter/gauge
should be as shown left during pushing odo/trip meter switch
if it is no malfunctioning.
NOTE:
It takes about 1 minute for indication of fuel gauge to become
stable.
METERS AND GAUGES
Meter/Gauge Operation and Odo/Trip Meter Segment Check in Diagnosis Mode
EL-90
Trouble Diagnoses
NCEL0198
PRELIMINARY CHECK
NCEL0198S01
SEL269Y
*1: Meter/Gauge Operation and Odo/
Trip Meter Segment Check in
Diagnosis Mode (EL-90)
*2: POWER SUPPLY AND GROUND
CIRCUIT CHECK (EL-92)
*3: SYMPTOM CHART (EL-91)
SYMPTOM CHART
NCEL0198S02
Symptom
Possible causes
Repair order
One of speedometer/
tachometer/fuel gauge/
water temp. gauge is mal-
functioning.
1. Sensor signal
- Vehicle speed signal
- Engine revolution signal
- Fuel gauge
- Water temp. gauge
2. Unified meter control unit
1. Check the sensor for malfunctioning meter/gauge.
INSPECTION/VEHICLE SPEED SENSOR (Refer to
EL-93.)
INSPECTION/ENGINE REVOLUTION SIGNAL
(Refer to EL-94.)
INSPECTION/FUEL LEVEL SENSOR UNIT (Refer to
EL-95.)
INSPECTION/THERMAL TRANSMITTER (Refer to
EL-96.)
2. Replace unified meter control unit.
Multiple meter/gauge are
malfunctioning. (except
odo/trip meter)
Before starting trouble diagnoses below, perform PRELIMINARY
CHECK, EL-91.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
Trouble Diagnoses
EL-91
SEL179WC
POWER SUPPLY AND GROUND CIRCUIT CHECK
=NCEL0198S03
Power Supply Circuit Check
NCEL0198S0301
Terminals
Ignition switch position
(+)
(−)
OFF
ACC
ON
Connector
Terminal
(wire color)
M40
66 (P)
Ground
Battery
voltage
Battery
voltage
Battery
voltage
M40
62 (Y)
Ground
0V
0V
Battery
voltage
If NG, check the following.
I
7.5A fuse [No. 5, located in fuse block (J/B)]
I
10A fuse [No. 11, located in fuse block (J/B)]
I
Harness for open or short between fuse and combination
meter
SEL180WC
Ground Circuit Check
NCEL0198S0302
Terminals
Continuity
(+)
(−)
Connector
Terminal
(wire color)
M40
59 (B)
Ground
Yes
METERS AND GAUGES
Trouble Diagnoses (Cont’d)
EL-92
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