Automatic Transmission Wiring Harness Check
Step
| Action
| Value(s)
| Yes
| No
|
1
|
- Install the J 39775
jumper harness to the transmission side of the 20-way connector.
- Using the J 39200
digital multimeter (DMM) and the J 35616-A
connector test adapter kit, measure the resistance between
terminals A and E (1-2 shift solenoid valve).
Is the resistance within the values indicated?
| 19-31 ohms
|
Go to Step 3
|
Go to Step 2
|
2
|
- Disconnect the internal transmission harness from the 1-2 shift
solenoid valve.
- Measure the resistance of the 1-2 shift solenoid valve.
Is the resistance within the values indicated?
| 19-31 ohms
|
Go to Step 13
|
Go to Step 14
|
3
| Measure the resistance between
terminals B and E (2-3 shift solenoid valve).
Is the resistance within the values indicated?
| 19-31 ohms
|
Go to Step 5
|
Go to Step 4
|
4
|
- Disconnect the internal transmission harness from the 2-3 shift
solenoid valve.
- Measure the resistance of the 2-3 shift solenoid valve.
Is the resistance within the values indicated?
| 19-31 ohms
|
Go to Step 13
|
Go to Step 14
|
5
| Measure the resistance between
terminals T and U (TCC PWM solenoid valve).
Is the resistance within the values indicated?
| 10-15 ohms
|
Go to Step 7
|
Go to Step 6
|
6
|
- Disconnect the internal transmission harness from the TCC PWM
solenoid valve.
- Measure the resistance of the TCC PWM solenoid valve.
Is the resistance within the values indicated?
| 10-15 ohms
|
Go to Step 13
|
Go to Step 14
|
7
| Measure the resistance between
terminals S and V (A/T ISS).
Is the resistance within the values indicated?
| 1300-1950 ohms
|
Go to Step 9
|
Go to Step 8
|
8
|
- Disconnect the internal transmission harness from the automatic
transmission input speed sensor.
- Measure the resistance of the automatic transmission input speed
sensor.
Is the resistance within the values indicated?
| 1300-1950 ohms
|
Go to Step 13
|
Go to Step 14
|
9
| Measure the resistance between
terminals L and M (TFT Sensor).
Is the resistance within the values indicated?
| 158-4020 ohms
|
Go to Step 11
|
Go to Step 10
|
10
|
- Disconnect the internal transmission harness from the automatic
transmission fluid temperature sensor.
- Measure the resistance of the automatic transmission fluid temperature
sensor.
Is the resistance within the values indicated?
| 158-4020 ohms
|
Go to Step 13
|
Go to Step 14
|
11
| Measure the resistance between
terminals C and D (PC solenoid valve).
Is the resistance within the values indicated?
| 3-8 ohms
|
Go to Step 13
|
Go to Step 12
|
12
|
- Disconnect the internal transmission harness from the pressure
control solenoid valve.
- Measure the resistance of the pressure control solenoid valve.
Is the resistance within the values indicated?
| 3-8 ohms
|
Go to Step 13
|
Go to Step 14
|
13
| Replace the automatic transmission
wiring harness. Refer to Unit Repair.
Is the replacement complete?
| --
| System OK
| --
|
14
| Replace the component.
Is the replacement complete?
| --
| System OK
| --
|
