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 class 2 serial data circuit or due to a total malfunction of the class 2 serial data circuit. The specified procedure will determine the particular condition.
- 5: The presence of DTCs which begin with "U" indicate some other module is not communicating. The specified procedure will compile all the available information before tests are performed.
Diagnostic System Check - Adjustable Pedals
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Install a scan tool. Does the scan tool power up? |
Go to Step 2 | Go to Scan Tool Does Not Power Up in Data Link Communications |
| 2 | Attempt to establish communication with the following control modules:
Does the scan tool communicate with the listed control modules? |
Go to Step 3 | Go to Scan Tool Does Not Communicate with Class 2 Device (W/O Immobilizer)Scan Tool Does Not Communicate with Class 2 Device (W/ Immobilizer) in Data Link Communications |
| 3 |
IMPORTANT:
The engine may start during the following step. Turn OFF the engine as soon as you have observed the Crank power mode.
|
Go to Step 4 | Go to Power Mode Mismatch in Body Control System |
| 4 | Select the display DTCs function on the scan tool for the following control modules:
Does the scan tool display any DTCs? |
Go to Step 5 | Go to Diagnostic Trouble Code (DTC) List |
| 5 | Does the scan tool display any DTC that begins with a "U"? | Go to Scan Tool Does Not Communicate with Class 2 Device (W/O Immobilizer)Scan Tool Does Not Communicate with Class 2 Device (W/ Immobilizer) in Data Link Communications | Go to Step 6 |
| 6 | Does the scan tool display B1000? | Go to Diagnostic Trouble Code (DTC) List in Body Control System | Go to Symptoms - Adjustable Pedals |