Infiniti QX4 (R50). Manual - part 47
SAT341H
Description
NBAT0068
The overrun clutch solenoid valve is activated by the TCM in
response to signals sent from the inhibitor switch, overdrive con-
trol switch, vehicle speed and throttle position sensors. The over-
run clutch operation will then be controlled.
TCM TERMINALS AND REFERENCE VALUE
NBAT0068S02
Remarks: Specification data are reference values.
Terminal
No.
Wire color
Item
Condition
Judgement
standard
(Approx.)
20
L/B
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
NBAT0068S03
Diagnostic trouble code
Malfunction is detected when ...
Check item (Possible cause)
: O/R CLTCH SOL/CIRC
TCM detects an improper voltage drop
when it tries to operate the solenoid
valve.
I
Harness or connectors
(The solenoid circuit is open or shorted.)
I
Overrun clutch solenoid valve
: P1760
SAT014K
SAT020K
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION
PROCEDURE
NBAT0068S01
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 5 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
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 (6MPH)
in “D” position (OD “ON”).
4)
Release accelerator pedal completely in “D” position (OD
“OFF”).
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
Description
AT-185