Infiniti F50. Instruction - page 76
DTC P1762 DIRECT CLUTCH SOLENOID VALVE
AT-189
D
E
F
G
H
I
J
K
L
M
A
B
AT
Wiring Diagram — AT — D/C
ECS0087C
TCM terminal and data are reference value. Measured between each terminal and ground.
TCWM0021E
Terminal
No.
Wire
color
Item
Condition
Data (Approx.)
21
G
Direct clutch sole-
noid valve
When
vehicle
cruises
When the solenoid valve is operating (1st gear or 5th
gear)
More than 2V
When the solenoid valve is not operating (2nd gear, 3rd
gear or 4th gear)
0V
AT-190
DTC P1762 DIRECT CLUTCH SOLENOID VALVE
Diagnostic Procedure
ECS0087D
1.
CHECK DIRECT CLUTCH SOLENOID VALVE CIRCUIT
1.
Turn ignition switch to “OFF” position.
2.
Disconnect A/T unit assembly harness connector at the trans-
mission right side.
3.
Check the resistance between terminal and ground.
OK or NG
OK >> GO
TO
4.
NG
>> GO TO 2.
2.
CHECK TERMINAL CORD ASSEMBLY
1.
Remove oil pan. Refer to
AT-289, "Control Valve Assembly"
.
2.
Disconnect A/T unit assembly harness connector and control valve assembly harness connector.
3.
Check continuity between A/T unit assembly harness connector
and control valve assembly harness connector.
4.
If OK, check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 3.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.
CHECK VALVE RESISTANCE
Check valve resistance
●
Refer to
AT-192, "Component Inspection"
.
OK or NG
OK >> GO
TO
4.
NG
>> Replace the control valve assembly. Refer to
AT-289, "Control Valve Assembly"
.
Solenoid valve
Connector No.
Terminal No.
(Wire color)
Resistance (Approx.)
Direct clutch solenoid
valve
F27
4 (G) - Ground
3 - 9
Ω
SCIA1841E
Item
Connector No.
Terminal No. (Wire color)
Continuity
A/T unit assembly
harness connector
F27
4 (W/B)
Yes
Control valve assem-
bly harness connec-
tor
F301
7 (W/B)
SCIA3082E
DTC P1762 DIRECT CLUTCH SOLENOID VALVE
AT-191
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
CHECK POWER SOURCE CIRCUIT
1.
Turn ignition switch to “OFF” position.
2.
Disconnect TCM connector.
3.
Check continuity between A/T unit assembly harness connector
and TCM connector.
4.
If OK, check harness for short to ground and short to power.
5.
Reinstall any part removed.
OK or NG
OK
>> GO TO 5.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.
CHECK DTC
Perform “DTC Confirmation Procedure”. Refer to
AT-188, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 6.
6.
PERFORM 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.
Item
Connector No.
Terminal No.
(Wire color)
Continuity
TCM
F103
21 (G)
Yes
A/T unit assembly harness
connector
F27
4 (G)
SCIA1842E
AT-192
DTC P1762 DIRECT CLUTCH SOLENOID VALVE
Component Inspection
ECS00A34
DIRECT CLUTCH SOLENOID VALVE
Resistance check
1.
Turn ignition switch “OFF”.
2.
Remove oil pan. Refer to
AT-289, "Control Valve Assembly"
.
3.
Disconnect control valve assembly harness connector.
4.
Check resistance between terminal and ground.
5.
If NG, replace control valve assembly. Refer to
AT-289, "Control
Valve Assembly"
.
Operation check
●
Check solenoid valve by listening for its operating sound while
applying battery voltage to the terminal 7 and ground.
Solenoid Valve
Connector No.
Terminal No.
(Wire color)
Resistance (
Ω
)
(Approx.)
Direct clutch solenoid
valve
F301
7 (L) - Ground
3 - 9
Ω
SCIA3083E
SCIA3084E