Important: This procedure cannot be used for checking the automatic transmission fluid pressure (TFP) manual valve position switch circuit, or the automatic transmission fluid temperature (TFT) sensor circuit. Refer to the Transmission Fluid Pressure Manual Valve Position Switch Resistance Check , for those circuits.

1. Install the J 39775 jumper harness on the transmission side of the 20-way connector.
2. Using a J 39200 digital multimeter (DMM) and a 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 specified range?

19-24 ohms @ 20°C (68°F)

24-31 ohms @ 100°C (212°F)

Go to Step 3

Go to Step 2

1. Disconnect the 1-2 shift solenoid (SS) valve from the automatic transmission wiring harness assembly.
2. Using the J 39200 DMM, measure the resistance of the 1-2 SS valve.

Is the resistance within the specified range?

19-24 ohms @ 20°C (68°F)

24-31 ohms @ 100°C (212°F)

Go to Step 14

Go to Step 16

Measure the resistance between terminals B and E (2-3 shift solenoid valve).

Is the resistance within the specified range?

19-24 ohms @ 20°C (68°F)

24-31 ohms @ 100°C (212°F)

Go to Step 5

Go to Step 4

1. Disconnect the 2-3 shift solenoid (SS) valve from the A/T wiring harness assembly.
2. Using the J 39200 DMM, measure the resistance of the 2-3 SS valve.

Is the resistance within the specified range?

19-24 ohms @ 20°C (68°F)

24-31 ohms @ 100°C (212°F)

Go to Step 14

Go to Step 16

Measure the resistance between terminals T and E (torque converter clutch solenoid valve).

Is the resistance within the specified range?

21-26 ohms @ 20°C (68°F)

26-33 ohms @ 100°C (212°F)

Go to Step 6

Go to Step 14

Measure the resistance between terminals U and E (torque converter clutch pulse width modulation solenoid valve).

Is the resistance within the specified range?

10-11 ohms @ 20°C (68°F)

13-15 ohms @ 100°C (212°F)

Go to Step 8

Go to Step 7

1. Disconnect the TCC PWM solenoid valve from the A/T wiring harness assembly.
2. Using the J 39200 DMM, measure the resistance of the TCC PWM solenoid valve.

Is the resistance within the specified range?

10-11 ohms @ 20°C (68°F)

13-15 ohms @ 100°C (212°F)

Go to Step 14

Go to Step 16

Measure the resistance between terminals S and E (3-2 shift solenoid valve assembly).

Is the resistance within the specified range?

20-24 ohms @ 20°C (68°F)

29-32 ohms @ 100°C (212°F)

Go to Step 10

Go to Step 9

1. Disconnect the 3-2 shift solenoid (SS) valve assembly from the A/T wiring harness assembly.
2. Using the J 39200 DMM, measure the resistance of the 3-2 SS valve assembly.

Is the resistance within the specified range?

20-24 ohms @ 20°C (68°F)

29-32 ohms @ 100°C (212°F)

Go to Step 14

Go to Step 16

Measure the resistance between terminals C and D (pressure control solenoid valve).

Is the resistance within the specified range?

3-5 ohms @ 20°C (68°F)

4-7 ohms @ 100°C (212°F)

Go to Step 12

Go to Step 11

1. Disconnect the pressure control (PC) solenoid valve from the A/T wiring harness assembly.
2. Using the J 39200 DMM, measure the resistance of the PC solenoid valve.

Is the resistance within the specified range?

3-5 ohms @ 20°C (68°F)

4-7 ohms @ 100°C (212°F)

Go to Step 14

Go to Step 16

Using the J 39200 DMM and the J 35616-A connector test adapter kit, measure the resistance from terminals A, B, C, D, E, S, T and U of the A/T wiring harness assembly at the transmission 20-way connector to the transmission case.

Is the resistance more than the specified value?

250 K ohms

System OK

Go to Step 13

1. Disconnect the A/T wiring harness assembly from all the components.
2. Measure the resistance from all the component terminals to the transmission case.

Is the resistance more than the specified value?

250 K ohms

Go to Step 14

Go to Step 16

Inspect for high resistance or a short.

Did you find high resistance or a short?

--

Go to Step 1

Go to Step 15

Replace the A/T wiring harness assembly.

Is the replacement complete?

--

Go to Step 1

--

Replace the faulty component.

Is the replacement complete?

--

Go to Step 1

--