Infiniti F50. Instruction - page 64
DTC P1703 TRANSMISSION CONTROL MODULE (ROM)
AT-141
D
E
F
G
H
I
J
K
L
M
A
B
AT
Diagnostic Procedure
ECS0085E
1.
CHECK DTC
With CONSULT-II
1.
Turn ignition switch to “ON” position. (Do not start engine.)
2.
Select “SELF DIAG RESULTS” mode for “A/T” with CONSULT-
II.
3.
Touch “ERASE”.
4.
Turn ignition switch to “OFF” position and wait at least 10 sec-
onds.
5.
Perform DTC confirmation procedure,
AT-140, "DTC Confirma-
tion Procedure"
.
Is the “TCM·ROM” displayed again?
Yes
>> Replace TCM.
No
>> INSPECTION END
SCIA1290E
AT-142
DTC P1704 TRANSMISSION CONTROL MODULE (EEPROM)
DTC P1704 TRANSMISSION CONTROL MODULE (EEPROM)
PFP:31036
Description
ECS0085F
The TCM consists of a microcomputer and connectors for signal
input and output and for power supply. The TCM controls the A/T.
On Board Diagnosis Logic
ECS0085G
●
This is not an OBD-II self-diagnostic item.
●
Diagnostic trouble code “TCM·EEPROM” with CONSULT-II is detected when TCM memory EEPROM is
malfunctioning.
Possible Cause
ECS0085H
TCM
DTC Confirmation Procedure
ECS0085I
NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch “OFF”
and wait at least 10 seconds before conducting the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1.
Turn ignition switch to “ON” position. (Do not start engine.)
2.
Select “DATA MONITOR” mode for A/T with CONSULT-II.
3.
Start engine.
4.
Run engine for at least 2 consecutive seconds at idle speed.
5.
If DTC is detected, go to
AT-143, "Diagnostic Procedure"
.
SCIA1287E
SAT014K
DTC P1704 TRANSMISSION CONTROL MODULE (EEPROM)
AT-143
D
E
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G
H
I
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K
L
M
A
B
AT
Diagnostic Procedure
ECS0085J
1.
CHECK DTC
With CONSULT-II
1.
Turn ignition switch to “ON” position and select “SELF DIAGNO-
SIS” 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 to “OFF” position and wait at least 10 sec-
onds.
6.
Perform “DTC Confirmation Procedure”. Refer to
AT-142, "DTC
Confirmation Procedure"
.
Is the “TCM·EEPROM” displayed again?
Yes
>> Replace TCM.
No
>> INSPECTION END
SCIA1290E
AT-144
DTC P1705 THROTTLE POSITION SENSOR
DTC P1705 THROTTLE POSITION SENSOR
PFP:22620
Description
ECS0085K
Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle
position sensor, etc. The actuator sends a signal to the ECM, and ECM sends signals to TCM with CAN com-
munication.
On Board Diagnosis Logic
ECS0085L
●
This is not an OBD-II self-diagnostic item.
●
Diagnostic trouble code “TP SEN/CIRC A/T” with CONSULT-II or 15th judgement flicker without CON-
SULT-II is detected when TCM does not receive the proper accelerator pedal position signals (input by
CAN communication) from ECM.
Possible Cause
ECS0085M
Harness or connectors
(The sensor circuit is open or shorted.)
DTC Confirmation Procedure
ECS0085N
NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch “OFF”
and wait at least 10 seconds before conducting the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1.
Turn ignition switch to “ON” position. (Do not start engine.)
2.
Select “DATA MONITOR” mode for “A/T” with CONSULT-II.
3.
Start engine and let it idle for 1 second.
4.
If DTC is detected, go to “
AT-144, "Diagnostic Procedure"
.
Diagnostic Procedure
ECS0085O
1.
CHECK DTC WITH ECM
With CONSULT-II
1.
Turn ignition switch to “ON” position. (Do not start engine.)
2.
Select “SELF-DIAG RESULTS” mode for “ENGINE” with CON-
SULT-II. Refer to
EC-108, "CONSULT-II Function"
.
OK or NG
OK
>> GO TO 2.
NG
>> Check the DTC detected item.Go to
EC-108, "CON-
SULT-II Function"
.
●
If CAN communication line is detected, go to
AT-99,
"DTC U1000 CAN COMMUNICATION LINE"
.
SAT014K
SAT014K