Infiniti QX4 (R50). Manual — part 572
6
CHECK 4WD SHIFT INDICATOR LAMP
Does 4WD shift indicator lamp indicate 4LO indicator lamp turn ON when 4WD shift switch is set in “4LO”?
SMT849D
SMT770D
Yes or No
Yes
©
GO TO 7.
No
©
Go to Symptom 5. Refer to TF-104.
7
CHECK 4WD SHIFT INDICATOR LAMP (*1)
1. Set 4WD shift switch from “4LO” to “4H”.
2. Does 4LO indicator lamp flicker? (*1)
*1: While “Wait” function is operating, 4LO indicator lamp flashes.
Yes or No
Yes
©
Go to Symptom 6 and 7. Refer to TF-106 and TF-107.
No
©
Go to “3. CRUISE TEST”. Refer to TF-51.
TROUBLE DIAGNOSIS — BASIC INSPECTION
Road Test (Cont’d)
TF-50
3. CRUISE TEST
=NBTF0017S04
1
INSPECTION START
SMT849D
SMT958D
WITH CONSULT-II
©
GO TO 2.
WITHOUT CONSULT-II
©
GO TO 3.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS — BASIC INSPECTION
Road Test (Cont’d)
TF-51
2
CHECK INPUT SIGNAL
With CONSULT-II
1. Warm up engine to normal operating temperature.
2. Park vehicle on flat surface.
3. Move A/T selector lever to “P” position.
4. Set 4WD shift switch to “4H” position.
5. Set 4WD shift switch to “AUTO” position.
6. Start engine.
7. Drive for at least 30 seconds at a speed higher than 20 km/h (12 MPH).
(Drive vehicle until “FLUID TEMP SE” exceeds 0.9V.)
8. Park vehicle on flat surface.
9. Move A/T selector lever to “P” position.
10. Set 4WD shift switch to “2WD” position.
11. Leave vehicle for at least 80 seconds with “FLUID TEMP SE” at 0.9V or less.
SMT972D
12. Is 4WD warning lamp turned ON?
Yes or No
Yes
©
Perform self-diagnosis. Refer to “Trouble Diagnosis with CONSULT-II”, TF-30.
No
©
GO TO 4.
3
CHECK INPUT SIGNAL
Without CONSULT-II
1. Warm up engine to normal operating temperature.
2. Park vehicle on flat surface.
3. Move A/T selector lever to “P” position.
4. Set 4WD shift switch to “4H” position.
5. Set 4WD shift switch to “AUTO” position.
6. Start engine.
7. Drive vehicle for at least 30 seconds at a speed higher than 20 km/h (12 MPH).
8. Park vehicle on flat surface.
9. Move A/T selector lever to “P” position.
10. Set 4WD shift switch to “2WD” position.
11. Is 4WD warning lamp turned ON?
Yes or No
Yes
©
Perform self-diagnosis. Refer to “Trouble Diagnosis without CONSULT-II”, TF-27.
No
©
GO TO 4.
4
(1) CHECK TIGHT CORNER BRAKING SYMPTOM
1. Set 4WD shift switch to “AUTO” position.
2. Drive vehicle at speed lower than 20 km/h (12 MPH) with steering wheel fully turned.
3. Does tight corner braking symptom occur?
Yes or No
Yes
©
GO TO 5.
No
©
GO TO 6.
TROUBLE DIAGNOSIS — BASIC INSPECTION
Road Test (Cont’d)
TF-52
5
CONFIRM SYMPTOM AGAIN
Confirm symptom and self-diagnosis again.
Refer to “Trouble Diagnosis without CONSULT-II”, TF-27 and “Trouble Diagnosis with CONSULT-II”, TF-30.
OK or NG
OK
©
GO TO 6.
NG
©
Go to Symptoms 8 and 9. Refer to TF-108, 109.
6
(2) CHECK TIGHT CORNER BRAKING SYMPTOM
1. Set 4WD shift switch to “4H” position.
2. Drive vehicle at speed lower than 20 km/h (12 MPH) with steering wheel fully turned.
3. Does tight corner braking symptom occur?
Yes or No
Yes
©
INSPECTION END
No
©
GO TO 7.
7
CONFIRM SYMPTOM AGAIN
Confirm symptom and self-diagnosis again.
Refer to “Trouble Diagnosis without CONSULT-II”, TF-27 and “Trouble Diagnosis with CONSULT-II”, TF-30.
OK or NG
OK
©
INSPECTION END
NG
©
Go to Symptoms 8 and 9. Refer to TF-108, 109.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS — BASIC INSPECTION
Road Test (Cont’d)
TF-53
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