Schematic Reference: Steering Assist Schematics

Connector End View Reference: Steering Assist Connector End Views

Did you perform the Variable Effort Steering Diagnostic System Check?

Go to Step 2

Go to Scan Tool Does Not Power Up

1. Install a scan tool.
2. Raise the vehicle's drive wheels. Refer to Lifting and Jacking the Vehicle
3. Start the engine.
4. Place the transmission into drive for an automatic transmission or third gear for a manual transmission.
5. With the scan tool, observe the Vehicle Speed parameter in the Speed Sensitive Steering data list.

Does the Vehicle Speed parameter match the speedometer display?

Go to Symptoms - Power Steering System

Go to Step 3

Test for an open or poor connection on the vehicle speed circuit of the SSPS control module. Refer to Testing for Continuity and Wiring Repairs in Wiring Systems.

Did you find and correct the condition

Go to Step 6

Go to Step 4

Test for a poor connection on the ground circuit of the SSPS control module. Refer to Testing for Continuity and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 6

Go to Step 5

Replace the SSPS control module. Refer to Power Steering Control Module Replacement .

Is the repair complete?

Go to Step 6

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2