Infiniti I30 (A33). Manual — part 13
DTC work support item
Description
Check item
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
Diagnostic Procedure Without CONSULT-II
NHAT0023
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)
NHAT0023S01
Refer to EC-103, “Generic Scan Tool (GST)”.
OBD-II SELF-DIAGNOSTIC PROCEDURE (NO
TOOLS)
NHAT0023S02
Refer to EC-82, “Malfunction Indicator Lamp (MIL)”.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
CONSULT-II (Cont’d)
AT-49
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
NHAT0023S03
1
CHECK O/D OFF INDICATOR LAMP
1. Move selector lever to P position.
Start engine and warm it up to normal engine operating temperature.
2. Turn ignition switch to OFF position.
3. Wait 5 seconds.
4. Turn ignition switch to ON position.
(Do not start engine.)
SAT967I
5. Does O/D OFF indicator lamp come on for about 2 seconds?
SAT598J
Yes or No
Yes
©
GO TO 2.
No
©
Stop procedure. Perform “1. O/D OFF Indicator Lamp Does Not Come On”, AT-219
before proceeding.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Diagnostic Procedure Without CONSULT-II (Cont’d)
AT-50
2
JUDGEMENT PROCEDURE STEP 1
1. Turn ignition switch to OFF position.
2. Turn ignition switch to ACC position.
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, refer to “Step 3 and 4” on AT-261).
6. Turn ignition switch to OFF position.
SAT968I
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 overdrive control switch in ON position until next step is completed (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.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Diagnostic Procedure Without CONSULT-II (Cont’d)
AT-51
3
JUDGEMENT PROCEDURE STEP 2
1. Move selector lever to 1 position.
2. Release the overdrive control switch.
3. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be ON).
4. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be OFF).
5. Depress and hold the overdrive control switch (the O/D OFF indicator lamp will be ON) until directed to release the
switch.
6. Depress accelerator pedal fully and release it.
7. Release the overdrive control switch (the O/D OFF indicator lamp will begin to flash ON and OFF).
SAT970I
©
GO TO 4.
4
CHECK SELF-DIAGNOSTIC CODE
Check O/D OFF indicator lamp.
Refer to JUDGEMENT OF SELF-DIAGNOSIS CODE, AT-52.
SAT598J
©
DIAGNOSIS END
JUDGEMENT OF SELF-DIAGNOSIS CODE
NHAT0023S04
O/D OFF indicator lamp:
All judgement flickers are the same.
SAT436F
All circuits that can be confirmed by self-diagnosis are OK.
1st judgement flicker is longer than others.
SAT437F
Revolution sensor circuit is short-circuited or disconnected.
⇒
Go to VEHICLE SPEED SENSOR·A/T (REVOLUTION
SENSOR), AT-114.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Diagnostic Procedure Without CONSULT-II (Cont’d)
AT-52
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