|
Wastegate Actuator Number 2 Circuit
|
Overview
| CODE | REASON | EFFECT |
| Fault Code: 492 PID: S088 SPN: 1189 FMI: 4/4 LAMP: Yellow SRT: |
Less than (+) 6 VDC detected at the wastegate actuator number 2 circuit when activated indicates an excessive current draw from the electronic control module (ECM) or faulty ECM output circuit. |
Engine will run derated. |
 Wastegate Actuator Number 2 Circuit
|
Circuit Description
The wastegate actuators are devices used by the ECM to control boost pressure.
Component Location
The wastegate controller is located on the air inlet horn. Actuator number 2 is the rearmost solenoid on the controller.
Shop Talk
- Inspect the engine block to chassis ground wire to make sure it is securely fastened to a clean, dry surface.
- Check the starter solenoid (+) terminal for a loose connector or accessory wiring with damaged insulation.
- Low voltage can be caused by short circuit to ground, a short circuit to another wire in the harness, or a shorted solenoid coil.
- Inspect the wastegate actuator number 2 circuit for external wires that can be spliced into powering another device. Remove any extra wires that are found in the circuit.
Refer to Troubleshooting Fault Code t05-492.
Last Modified: 26-Oct-2010
;){kind=link}
;){kind=link}