Infiniti QX4 (R50). Manual — part 12
SAT596J
SAT593J
13. CONSULT-II procedure ended.
If “NG” appears on the screen, a malfunction may exist. Go to
“DIAGNOSTIC PROCEDURE”.
DTC WORK SUPPORT MODE
NBAT0184S05
DTC work support item
Description
Check item
1ST GR FNCTN P0731
Following items for “A/T 1st gear function (P0731)” can be con-
firmed.
I
Self-diagnosis status (whether the diagnosis is being con-
ducted or not)
I
Self-diagnosis result (OK or NG)
I
Shift solenoid valve A
I
Shift solenoid valve B
I
Each clutch
I
Hydraulic control circuit
2ND GR FNCTN P0732
Following items for “A/T 2nd gear function (P0732)” can be con-
firmed.
I
Self-diagnosis status (whether the diagnosis is being con-
ducted or not)
I
Self-diagnosis result (OK or NG)
I
Shift solenoid valve B
I
Each clutch
I
Hydraulic control circuit
3RD GR FNCTN P0733
Following items for “A/T 3rd gear function (P0733)” can be con-
firmed.
I
Self-diagnosis status (whether the diagnosis is being con-
ducted or not)
I
Self-diagnosis result (OK or NG)
I
Shift solenoid valve A
I
Each clutch
I
Hydraulic control circuit
4TH GR FNCTN P0734
Following items for “A/T 4th gear function (P0734)” can be con-
firmed.
I
Self-diagnosis status (whether the diagnosis is being con-
ducted or not)
I
Self-diagnosis result (OK or NG)
I
Shift solenoid valve A
I
Shift solenoid valve B
I
Overrun clutch solenoid valve
I
Line pressure solenoid valve
I
Each clutch
I
Hydraulic control circuit
TCC S/V FNCTN P0744
Following items for “A/T TCC S/V function (lock-up) (P0744)” can
be confirmed.
I
Self-diagnosis status (whether the diagnosis is being con-
ducted or not)
I
Self-diagnosis result (OK or NG)
I
Torque converter clutch sole-
noid valve
I
Each clutch
I
Hydraulic control circuit
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
CONSULT-II (Cont’d)
AT-45
Diagnostic Procedure Without CONSULT-II
NBAT0206
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)
NBAT0206S01
Refer to EC-95, “DESCRIPTION”.
OBD-II SELF-DIAGNOSTIC PROCEDURE (NO
TOOLS)
NBAT0206S02
Refer to EC-74, “DESCRIPTION”.
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SAT132K
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
NBAT0206S03
Preparation
NBAT0206S0301
1.
Turn ignition switch to “OFF” position.
2.
Connect the handy type vacuum pump to the throttle opener
and apply vacuum −25.3 kPa (−190 mmHg, −7.48 inHg).
3.
Disconnect the throttle position switch harness connector.
4.
Turn ignition switch to “ON” position.
5.
Check continuity of the closed throttle position switch.
Continuity should exist.
(If continuity does not exist, check throttle opener and
closed throttle position switch. Then increase vacuum
until closed throttle position switch shows continuity.)
6.
Go to “DIAGOSIS START” on next page.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Diagnostic Procedure Without CONSULT-II
AT-46
1
CHECK O/D OFF INDICATOR LAMP
1. Start the engine with selector lever in “P” position. Warm engine to normal operating temperature.
2. Turn ignition switch to “OFF” position.
3. Wait 5 seconds.
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4. Turn ignition switch to “ON” position.
(Do not start engine.)
5. Does O/D OFF indicator lamp come on for about 2 seconds?
SAT133K
Yes or No
Yes
©
GO TO 2.
No
©
Go to “1. O/D OFF Indicator Lamp Does Not Come On”, AT-218.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Diagnostic Procedure Without CONSULT-II (Cont’d)
AT-47
2
JUDGEMENT PROCEDURE STEP 1
1. Turn ignition switch to “OFF” position.
2. Push shift lock release button.
3. Move selector lever from “P” to “D” position.
4. Turn ignition switch to “ON” position. (Do not start engine.)
5. Depress and hold overdrive control switch in “OFF” position (the O/D OFF indicator lamp will be “ON”) until directed to
release the switch. (If O/D OFF indicator lamp does not come on, go to step 5 on AT-257.)
6. Turn ignition switch to “OFF” position.
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7. Turn ignition switch to “ON” position (Do not start engine.).
8. Release the overdrive control switch (the O/D OFF indicator lamp will be “OFF”).
9. Wait 2 seconds.
10. Move selector lever to “2” position.
11. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be “ON”).
12. Depress and hold the overdrive control switch (the O/D OFF indicator lamp will be “OFF”) until directed to release the
switch.
SAT969I
©
GO TO 3.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Diagnostic Procedure Without CONSULT-II (Cont’d)
AT-48
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