Infiniti I35 (A33). Manual — part 49
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3
CHECK INPUT SIGNAL (Without CONSULT-II)
Without CONSULT-II
1. Turn ignition switch to ON position. (Do not start engine.)
2. Check voltage between TCM harness connector F50 terminals 41 (W) and 42 (B) while accelerator pedal is depressed
slowly.
SAT349JC
Voltage:
Fully-closed throttle valve:
Approximately 0.5V
Fully-open throttle valve:
Approximately 4V
(Voltage rises gradually in response to throttle position.)
OK or NG
OK
©
GO TO 4.
NG
©
Check harness for short or open between ECM and TCM regarding accelerator pedal
position sensor circuit.
4
CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-190.
OK or NG
OK
©
INSPECTION END
NG
©
GO TO 5.
5
CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK
©
INSPECTION END
NG
©
Repair or replace damaged parts.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1705 ACCELERATOR PEDAL POSITION SENSOR (THROTTLE
POSITION SENSOR)
Diagnostic Procedure (Cont’d)
AT-193
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SAT820K
Description
NHAT0076
The overrun clutch solenoid valve is activated by the TCM in
response to signals sent from the park/neutral position (PNP)
switch, 3rd position switch, vehicle speed and accelerator pedal
position sensor (throttle position sensors). The overrun clutch
operation will then be controlled.
TCM TERMINALS AND REFERENCE VALUE
NHAT0076S01
Remarks: Specification data are reference values.
Terminal
No.
Wire color
Item
Condition
Judgement
standard
(Approx.)
20
BR/Y
Overrun clutch
solenoid valve
When overrun clutch solenoid valve operates.
Battery volt-
age
When overrun clutch solenoid valve does not
operate.
0V
On Board Diagnosis Logic
NHAT0243
Diagnostic trouble code O/R CLTCH SOL/CIRC with CONSULT-II
or P1760 without CONSULT-II is detected when TCM detects an
improper voltage drop when it tries to operate the solenoid valve.
Possible Cause
NHAT0244
Check the following items.
I
Harness or connectors
(The solenoid circuit is open or shorted.)
I
Overrun clutch solenoid valve
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
Description
AT-194
![](/vehicles/zatt/ltherawowha/yose/uemesannon.png)
SAT014K
SEF949Y
Diagnostic Trouble Code (DTC) Confirmation
Procedure
NHAT0245
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition switch
OFF and wait at least 10 seconds before conducting the next test.
TESTING CONDITION:
Always drive vehicle on a level road to improve accuracy of
test.
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
WITH CONSULT-II
NHAT0245S01
1)
Turn ignition switch ON and select “DATA MONITOR” mode for
“ENGINE” with CONSULT-II.
2)
Start engine.
3)
Accelerate vehicle to a speed of more than 10 km/h (6 MPH)
with D position.
4)
Release accelerator pedal completely with 3rd position.
WITH GST
NHAT0245S02
Follow the procedure “With CONSULT-II”.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
Diagnostic Trouble Code (DTC) Confirmation Procedure
AT-195
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Wiring Diagram — AT — OVRCSV
NHAT0077
MAT486B
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
Wiring Diagram — AT — OVRCSV
AT-196
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