Step | Action | Value(s) | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Instrument Cluster Schematics Connector End View Reference: Engine Control Module Connector End Views for the 4.4L engine or Engine Control Module Connector End Views for the 4.6L engine | ||||||||||
1 | Did you perform the Vehicle Diagnostic System Check? | -- | Go to Step 2 | |||||||
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 | 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 the following between the instrument panel cluster (IPC) and the ECM.
Refer to Circuit Testing and to Wiring Repairs . 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 . 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 . 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 . 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 . 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 . 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 . Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 19 | ||||||
15 | Replace the radio. Refer to Control Module References for replacement, setup and programming. Did you complete the replacement? | -- | Go to Step 20 | -- | ||||||
16 | Replace the HUD Refer to Control Module References 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 for replacement, setup and programming. Did you complete the replacement? | -- | Go to Step 20 | -- | ||||||
18 | Replace the IPC. Refer to Control Module References for replacement, setup and programming. Did you complete the replacement? | -- | Go to Step 20 | -- | ||||||
19 | Replace the ECM. Refer to Control Module References 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 | ||||||
