Infiniti I30 (A33). Manual — part 371
Meter/Gauge Operation and Odo/Trip Meter
Segment Check in Diagnosis Mode
NHEL0151
DIAGNOSIS FUNCTION
NHEL0151S01
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
NHEL0151S02
1.
Turn ignition switch to ON and change odo/trip meter to “TRIP
A”.
2.
Turn ignition switch to OFF.
3.
Turn ignition switch to ON when pushing odo/trip meter switch.
4.
Release odo/trip meter switch 1 second after ignition switch is
turned ON.
5.
Push odo/trip meter switch more than three times within 5
seconds.
SEL176W
6.
All odo/trip meter segments should be turned on.
NOTE:
If some segments are not turned on, unified meter control unit with
odo/trip meter should be replaced.
At this point, the unified control meter is turned to diagnosis
mode.
SEL177W
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 a few seconds for indication of fuel gauge and water
temperature gauge to become stable.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
Meter/Gauge Operation and Odo/Trip Meter Segment Check in Diagnosis Mode
EL-153
Trouble Diagnoses
NHEL0046
PRELIMINARY CHECK
NHEL0046S04
SEL361W
*1: Meter/Gauge Operation and Odo/
Trip Meter Segment Check in
Diagnosis Mode (EL-153)
*2: METER/GAUGE RESISTANCE
CHECK (EL-162)
*3: POWER SUPPLY AND GROUND
CIRCUIT CHECK (EL-156)
*4: Symptom Chart 1 (EL-155)
*5: Symptom Chart 2 (EL-155)
METERS AND GAUGES
Trouble Diagnoses
EL-154
SYMPTOM CHART
NHEL0046S10
Symptom Chart 1 (Malfunction is Indicated in
Diagnosis Mode)
NHEL0046S1001
Symptom
Possible causes
Repair order
Odo/trip meter indicate(s)
malfunction in Diagnosis
mode.
Unified meter control unit
Replace unified meter control unit.
Multiple meter/gauge indi-
cate malfunction in Diagno-
sis mode.
One of speedometer/
tachometer/fuel gauge/
water temp. gauge indicates
malfunction in Diagnosis
mode.
1. Meter/Gauge
2. Unified meter control unit
1. Check resistance of meter/gauge indicating malfunc-
tion. If the resistance is NG, replace the meter/
gauge. Refer to “METER/GAUGE RESISTANCE
CHECK”, EL-162.
2. If the resistance of meter/gauge is OK, replace uni-
fied meter control unit.
Symptom Chart 2 (No Malfunction is Indicated in
Diagnosis Mode)
NHEL0046S1002
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-157.)
INSPECTION/ENGINE REVOLUTION SIGNAL
(Refer to EL-159.)
INSPECTION/FUEL LEVEL SENSOR UNIT (Refer to
EL-160.)
INSPECTION/THERMAL TRANSMITTER (Refer to
EL-161.)
2. Replace unified meter control unit.
Multiple meter/gauge are
malfunctioning. (except
odo/trip meter)
Before starting trouble diagnoses below, perform PRELIMINARY
CHECK, EL-154.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
Trouble Diagnoses (Cont’d)
EL-155
SEL179W
POWER SUPPLY AND GROUND CIRCUIT CHECK
=NHEL0046S07
Power Supply Circuit Check
NHEL0046S0701
Terminals
Ignition switch position
(+)
(−)
OFF
ACC
ON
62
Ground
Battery
voltage
Battery
voltage
Battery
voltage
66
Ground
0V
0V
Battery
voltage
If NG, check the following.
I
10A fuse [No. 12, located in fuse block (J/B)]
I
10A fuse [No. 30, located in fuse block (J/B)]
I
Harness for open or short between fuse and combination
meter
SEL180W
Ground Circuit Check
NHEL0046S0702
Terminals
Continuity
59 - Ground
Yes
METERS AND GAUGES
Trouble Diagnoses (Cont’d)
EL-156
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