Infiniti QX56 (JA60). Manual - part 958
TM-134
< SYMPTOM DIAGNOSIS >
SYSTEM SYMPTOM
36
Slips/Will
Not En-
gage
With selector lever in
“R” position, accelera-
tion is extremely poor.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. High and low reverse clutch solenoid valve
5. CAN communication line
6. Transmission range switch
7. Control cable adjustment
8. Control valve with TCM
OFF vehicle
9. Gear system
10. Output shaft
11. Reverse brake
37
While starting off by
accelerating in 1st, en-
gine races or slippage
occurs.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Control valve with TCM
OFF vehicle
6. Torque converter
7. Oil pump assembly
8. 3rd one-way clutch
9. 1st one-way clutch
10. Gear system
11. Reverse brake
12. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
.
13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
,
.
38
While accelerating in
2nd, engine races or
slippage occurs.
ON vehicle
1. Fluid level and state
2. Line pressure test
3. Accelerator pedal position sensor
4. CAN communication line
5. Direct clutch solenoid valve
6. Control valve with TCM
OFF vehicle
7. Torque converter
8. Oil pump assembly
9. 3rd one-way clutch
10. Gear system
11. Direct clutch
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to
,
.
No.
Items
Symptom
Condition
Diagnostic Item
Reference
page