Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: | ||||
1 | Did you perform the Vehicle Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Does the Vehicle Speed Sensor parameter match the speedometer display? | -- | Go to Step 3 | Go to Step 4 |
3 | Does the odometer operate properly? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 18 |
4 |
Does the Vehicle Speed Sensor parameter match the speedometer display? | -- | Go to Step 10 | Go to Step 5 |
5 |
Does the Vehicle Speed Sensor parameter match the speedometer display? | -- | Go to Step 11 | Go to Step 6 |
6 |
Does the Vehicle Speed Sensor parameter match the speedometer display? | -- | Go to Step 12 | Go to Step 7 |
7 |
Does the voltage measure greater than the specified value? | 9.0 V | Go to Step 9 | Go to Step 8 |
8 | Test the vehicle speed signal circuit for an open, for a high resistance, or for a short to ground between the instrument panel cluster (IPC) and the ECM. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 13 |
9 | Test the vehicle speed signal circuit for a short to voltage between the IPC and the ECM. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 14 |
10 | Inspect for poor connections at the harness connector of the radio. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 15 |
11 | Inspect for poor connections at the harness connector of the HUD. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 16 |
12 | Inspect for poor connections at the harness connector of the rear object alarm detection module. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 17 |
13 | Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 18 |
14 | Inspect for poor connections at the harness connector of the ECM. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 19 |
15 | Replace the radio. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? | -- | Go to Step 20 | -- |
16 | Replace the HUD Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? | -- | Go to Step 20 | -- |
17 | Replace the rear object alarm detection module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? | -- | Go to Step 20 | -- |
18 | Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? | -- | Go to Step 20 | -- |
19 | Replace the ECM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? | -- | Go to Step 20 | -- |
20 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
