Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
Schematic Reference: Instrument Cluster Schematics Connector End View Reference: Master Electrical Component List  | ||||
1  | Did you perform the Diagnostic System Check - Vehicle?  | --  | Go to Step 2  | |
2  | 
 Does the Engine Speed parameter match the tachometer display?  | --  | Go to Testing for Intermittent Conditions and Poor Connections  | Go to Step 3  | 
3  | 
 Does the voltage measure greater than the specified value?  | 9.0 V  | Go to Step 5  | Go to Step 4  | 
4  | Test the engine speed signal circuit for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs . Did you find and correct the condition?  | --  | Go to Step 10  | Go to Step 6  | 
5  | Test the engine speed signal circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs . Did you find and correct the condition?  | --  | Go to Step 10  | Go to Step 7  | 
6  | Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Did you find and correct the condition?  | --  | Go to Step 10  | Go to Step 8  | 
7  | Inspect for poor connections at the harness connector of the PCM. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Did you find and correct the condition?  | --  | Go to Step 10  | Go to Step 9  | 
8  | Replace the IPC. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?  | --  | Go to Step 10  | --  | 
9  | Replace the PCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?  | --  | Go to Step 10  | --  | 
10  | Operate the system in order to verify the repair. Did you correct the condition?  | --  | System OK  | Go to Step 2  |