Test Description
The numbers below refer to the step numbers on the diagnostic table.
- 2. Lack of communication may be due to a partial malfunction of the serial data circuit or due to a total malfunction of the serial data circuit. The specified procedure will determine the particular condition.
DIAGNOSTIC PROCEDURES
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 |
|
- | Go to Step 2 | - |
| 2 | Select the ECM display DTC function on the scan tool. Does the scan tool display any DTCs? |
- | Go to Diagnostic System Check-Engine Controls. | Go to Step 3 |
| 3 | Select the SSPS display DTC function on the scan tool. Does the scan tool display any DTCs? |
- | Go to Diagnostic Trouble Code (DTC) List. | Go to Symptoms-Power Steering System. |