Infiniti G20 (P11). Manual — part 56
SAT574J
Description
NCAT0221
The TCM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the A/T.
ON BOARD DIAGNOSIS LOGIC
NCAT0221S01
Diagnostic trouble code
Malfunction is detected when ...
Check item (Possible cause)
: CONT UNIT (EEP ROM)
TCM memory (EEP ROM) is malfunction-
ing.
I
TCM
SAT014K
SAT971J
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION
PROCEDURE
NCAT0221S02
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting
the next test.
With CONSULT-II
1)
Turn ignition switch “ON” and select “DATA MONITOR” mode
for A/T with CONSULT-II.
2)
Start engine.
3)
Run engine for at least 2 seconds at idle speed.
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC CONTROL UNIT (EEP ROM)
Description
AT-221
Diagnostic Procedure
NCAT0222
1
CHECK DTC
With CONSULT-II
1. Turn ignition switch “ON” and select “SELF DIAGNOSIS” mode for A/T with CONSULT-II.
2. Move selector lever to “R” position.
3. Depress accelerator pedal (Full throttle position).
4. Touch “ERASE”.
5. Turn ignition switch “OFF” position for 10 seconds.
PERFORM DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE.
See previous page.
Is the “CONT UNIT (EEP ROM)” displayed again?
Yes
©
Replace TCM.
No
©
INSPECTION END
DTC CONTROL UNIT (EEP ROM)
Diagnostic Procedure
AT-222
Wiring Diagram — AT — NONDTC
NCAT0216
TAT272
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
Wiring Diagram — AT — NONDTC
AT-223
TAT241
TROUBLE DIAGNOSES FOR SYMPTOMS
Wiring Diagram — AT — NONDTC (Cont’d)
AT-224
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