For 1990-2009 cars

#### 4T65-E Automatic Transmission Wiring Harness Assembly Check (created for 97 Hcar)

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 |

1. Install J 39775 Jumper Harness on the transmission 20-way connector, if needed.
2. Using J 39200 DVOM and 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?

19-24ohms at 20°C (68°F)

24-31ohms at 88°C (190°F)

Go to Step 3

Go to Step 2

2 |

1. Disconnect the internal transmission harness from the 1-2 Shift Solenoid Valve.
2. Using J 39200 DVOM, measure the resistance of the 1-2 Shift Solenoid Valve.

Is the resistance within the values indicated?

19-24ohms at 20°C (68°F)

24-31ohms at 88°C (190°F)

Go to Step 16

Go to Step 18

3 | Measure the resistance between terminals B and E (2-3 Shift Solenoid Valve). Is the resistance within the values indicated? | 19-24ohms at 20°C (68°F) 24-31ohms at 88°C (190°F) | Go to Step 5 | Go to Step 4
4 |

1. Disconnect the internal transmission harness from the 2-3 Shift Solenoid Valve.
2. Using J 39200 DVOM, measure the resistance of the 2-3 Shift Solenoid Valve.

Is the resistance within the values indicated?

19-24ohms at 20°C (68°F)

24-31ohms at 88°C (190°F)

Go to Step 16

Go to Step 18

5 | Measure the resistance between terminals T and E (TCC PWM Sol. Valve). Is the resistance within the values indicated? | 10-12ohms at 20°C (68°F) 13-15ohms at 88°C (190°F) | Go to Step 7 | Go to Step 6
6 |

1. Disconnect the internal transmission harness from the TCC PWM Sol. Valve.
2. Using J 39200 DVOM, measure the resistance of the TCC PWM Sol. Valve.

Is the resistance within the values indicated?

10-12ohms at 20°C (68°F)

13-15ohms at 88°C (190°F)

Go to Step 16

Go to Step 18

7 | Measure the resistance between terminals C and D (PC Sol. Valve). Is the resistance within the values indicated? | 3-5ohms at 20°C (68°F) 5-6ohms at 88°C (190°F) | Go to Step 9 | Go to Step 8
8 |

1. Disconnect the internal transmission harness from the PC Sol. Valve.
2. Using J 39200 DVOM, measure the resistance of the PC Sol. Valve.

Is the resistance within the values indicated?

3-5ohms at 20°C (68°F)

5-6ohms at 88°C (190°F)

Go to Step 16

Go to Step 18

9 | Measure the resistance between terminals S and V (ISS). Is the resistance within the values indicated? | 893-1127ohms at 20°C (68°F) 1132-1428ohms at 88°C (190°F) | Go to Step 11 | Go to Step 10
10 |

1. Disconnect the internal transmission harness from the ISS.
2. Using J 39200 DVOM, measure the resistance of the ISS.

Is the resistance within the values indicated?

893-1127ohms at 20°C (68°F)

1132-1428ohms at 88°C (190°F)

Go to Step 16

Go to Step 18

11 | Measure the resistance between terminals M and L (TFT). Is the resistance within the values indicated? | 3164-3867ohms at 20°C (68°F) 225-285ohms at 88°C (190°F) | Go to Step 13 | Go to Step 12
12 |

1. Disconnect the internal transmission harness from the TFT.
2. Using J 39200 DVOM, measure the resistance of the TFT.

Is the resistance within the values indicated?

3164-3867ohms at 20°C (68°F)

225-285ohms at 88°C (190°F)

Go to Step 16

Go to Step 18

13 | Using J 39200 DVOM and J 35616-A Connector Test Adapter Kit, measure the resistance of the internal transmission harness from pins A, B, C, D, E, and T of the transmission 20-way connector to the transmission case. Is the resistance more than shown? | 250Kohms | Go to Step 14 | Go to Step 17
14 | Using J 39200 DVOM and J 35616-A Connector Test Adapter Kit, measure the resistance of the internal transmission harness from pins L and M of the transmission 20-way connector to the transmission case. Is the resistance more than shown? | 20Mohms | Go to Step 15 | Go to Step 17
15 | Using J 39200 DVOM and J 35616-A Connector Test Adapter Kit, measure the resistance of the internal transmission harness from pins S and V of the transmission 20-way connector to the transmission case. Is the resistance more than shown? | 10Mohms | No problem found, exit table | Go to Step 17
16 | Inspect for high resistance:

• | Inspect the transmission wiring for poor electrical connections at the transmission 20-way connector and at the component connector.

• | Look for possible bent, backed out, deformed, or damaged terminals.

• | Check for weak terminal tension.

Was the condition found and corrected?

--

Verify repair and Go to Step 1

Go to Step 17

17 | Replace the internal wiring harness. Is the replacement complete? | -- | Verify repair and Go to Step 1 | --
18 | Replace the component. Is the replacement complete? | -- | Verify repair and Go to Step 1 | --