Step | Action | Yes | No |
---|---|---|---|
SCHEMATIC
REFERENCE:
| |||
1 | Did you perform the Automatic Transmission Shift Lock Control Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Automatic Transmission Shift Lock Control |
2 |
Does the transmission shift into REVERSE? | Go to Step 4 | Go to Step 3 |
3 |
Does the transmission shift into REVERSE? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 4 |
4 |
Does the test lamp illuminate? | Go to Step 5 | Go to Step 11 |
5 |
Does the test lamp turn ON and OFF with each command? | Go to Step 9 | Go to Step 6 |
6 | Does the test lamp remain illuminated with each command? | Go to Step 7 | Go to Step 8 |
7 | Test the control circuit of the reverse lockout actuator for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 14 | Go to Step 10 |
8 | Test the control circuit of the reverse lockout actuator for an open or short to battery positive voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 14 | Go to Step 10 |
9 | Inspect for poor connections at the reverse lockout actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 14 | Go to Step 12 |
10 | Inspect for poor connections at the harness connector of the DIM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 14 | Go to Step 13 |
11 | Repair an open or short to ground in the ignition positive voltage circuit of the reverse lockout actuator. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 14 | -- |
12 | Replace the reverse lockout actuator. Refer to Transmission Control Replacement in Automatic Transaxle--4T80-E. Did you complete the replacement? | Go to Step 14 | -- |
13 | Replace the DIM. Refer to Dash Integration Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 14 | -- |
14 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |