Infiniti I35 (A33). Manual — part 383
SEL179W
SEL613Y
POWER SUPPLY AND GROUND CIRCUIT CHECK
=NHEL0046S07
Power Supply Circuit Check
NHEL0046S0701
Terminals
Ignition switch position
(+)
(−)
OFF
ACC
ON
31
Ground
0V
Battery
voltage
Battery
voltage
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
10A fuse [No. 1, 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
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
Trouble Diagnoses (Cont’d)
EL-133
INSPECTION/VEHICLE SPEED SIGNAL
=NHEL0046S03
With VDC
NHEL0046S0301
1
CHECK VEHICLE SPEED SENSOR OUTPUT
1. Remove vehicle speed sensor from transmission.
2. Check voltage between combination meter harness connector M214 terminal 15 (R) and ECM harness connector F48
terminal 58 (B) while quickly turning speed sensor pinion.
SEL181WA
OK or NG
OK
©
Vehicle speed sensor is OK.
NG
©
GO TO 2.
2
CHECK VEHICLE SPEED SENSOR
Check resistance between vehicle speed sensor terminals 1 and 2.
SEL645W
OK or NG
OK
©
Check harness or connector between speedometer, vehicle speed sensor and ECM.
NG
©
Replace vehicle speed sensor.
METERS AND GAUGES
Trouble Diagnoses (Cont’d)
EL-134
With TCS
NHEL0046S0302
1
CHECK ABS/TCS CONTROL UNIT OUTPUT SIGNAL
With CONSULT-II
1. Lift up drive wheels.
2. Start engine and drive vehicle at more than 20 km/h (12 MPH).
3. Check signal between combination meter harness connector M33 terminal 15 (R) and ground when rotating wheels
with engine at idle. (Use “SIMPLE OSCILLOSCOPE” in “SUB MODE” with CONSULT-II.)
SEL938W
Without CONSULT-II
1. Lift up drive wheels.
2. Start engine and drive vehicle at more than 20 km/h (12 MPH).
3. Check voltage between combination meter harness connector terminal 15 and ground when rotating wheels with
engine at idle.
SEL939W
OK or NG
OK
©
ABS/TCS control unit is OK.
NG
©
Check the following.
I
Harness for open or short between ABS/TCS control unit and combination meter.
I
ABS/TCS control unit. Refer to BR-61, “Wheel Sensor or Rotor”.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
Trouble Diagnoses (Cont’d)
EL-135
INSPECTION/ENGINE REVOLUTION SIGNAL
NHEL0046S02
1
CHECK ECM OUTPUT
1. Start engine.
2. Check voltage between combination meter harness connector M33 (with TCS) or M214 (with VDC) terminals 16 (W/G)
and ground at idle and 2,000 rpm.
SEL364WD
OK or NG
OK
©
Engine revolution signal is OK.
NG
©
Harness for open or short between ECM and combination meter
METERS AND GAUGES
Trouble Diagnoses (Cont’d)
EL-136
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст