Step
| Action
| Value(s)
| Yes
| No
|
1
|
- Install J 39775
Jumper Harness on the transmission 20-way connector, if needed.
- Using J 39200
DVOM and J 35616-A
Connector
Test Adapter Kit, measure the resistance from terminal U and the transmission
case.
Is the resistance less than the value shown?
| 50ohms
|
Go to Step 3
|
Go to Step 2
|
2
|
- Disconnect the internal transmission harness from the TFP Val.
Position Sw.
- Measure the resistance from terminal D and the TFP Val. Position
Sw. housing.
Is the resistance less than the value shown?
| 50ohms
|
Go to Step 15
|
Go to Step 17
|
3
| Measure the resistance from terminal N
and the transmission case.
Is the resistance more than the value shown?
| 50Kohms
|
Go to Step 5
|
Go to Step 4
|
4
|
- Disconnect the internal transmission harness from the TFP Val.
Position Sw.
- Measure the resistance from terminal A and the TFP Val. Position
Sw. housing.
Is the resistance more than the value shown?
| 50Kohms
|
Go to Step 15
|
Go to Step 17
|
5
| Measure the resistance from terminal R
and the transmission case.
Is the resistance more than the value shown?
| 50Kohms
|
Go to Step 7
|
Go to Step 6
|
6
|
- Disconnect the internal transmission harness from the TFP Val.
Position Sw.
- Measure the resistance from terminal B and the TFP Val. Position
Sw. housing.
Is the resistance more than the value shown?
| 50Kohms
|
Go to Step 15
|
Go to Step 17
|
7
| Measure the resistance from terminal P
and the transmission case.
Is the resistance more than the value shown?
| 50Kohms
|
Go to Step 9
|
Go to Step 8
|
8
|
- Disconnect the internal transmission harness from the TFP Val.
Position Sw.
- Measure the resistance from terminal C and the TFP Val. Position
Sw. housing.
Is the resistance more than the value shown?
| 50Kohms
|
Go to Step 15
|
Go to Step 17
|
9
|
- Start the engine and let the engine idle.
- Set the parking brake.
- Place the gear selector in Park (P).
- Measure the resistance from terminal U and the transmission case.
Is the resistance more than the value shown?
| 50Kohms
|
Go to Step 10
|
Go to Step 17
|
10
|
- Place the gear selector in Reverse (R).
- Measure the resistance from terminal P and the transmission case.
Is the resistance less than the value shown?
| 50ohms
|
Go to Step 11
|
Go to Step 17
|
11
|
- Place the gear selector in Drive (D4).
- Measure the resistance from terminal N and the transmission case.
Is the resistance less than the value shown?
| 50ohms
|
Go to Step 12
|
Go to Step 17
|
12
| Measure the resistance from terminal R
and the transmission case.
Is the resistance less than the value shown?
| 50ohms
|
Go to Step 13
|
Go to Step 17
|
13
|
- Place the gear selector in Low (D1).
- Measure the resistance from terminal N and the transmission case.
Is the resistance less than the value shown?
| 50ohms
|
Go to Step 14
|
Go to Step 17
|
14
| Measure the resistance from terminal P
and the transmission case.
Is the resistance less than the value shown?
| 50ohms
| No problem found; exit table
|
Go to Step 17
|
15
| Inspect for high
resistance:
| • | Inspect the transmission wiring for poor electrical connections
at the transmission 20-way connector and at the TFP Va. Position Sw. connector. |
| • | Look for possible bent, b acked out, deformed, or damaged terminals. |
| • | Check for weak terminal tension. |
Was the condition found?
| --
|
Verify repair and Go to Step 1
|
Go to Step 16
|
16
| Replace the internal wiring harness.
Is the replacement complete?
| --
|
Verify repair and Go to Step 1
| --
|
17
| Replace the TFP Val.
Position Sw.
Is the replacement complete?
| --
|
Verify repair and Go to Step 1
| --
|
