Possible Causes
| Possible Causes |
|---|
| (F856) 5-VOLT SUPPLY CIRCUIT OPEN |
| (F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| (K29) APP SIGNAL 2 CIRCUIT OPEN |
| (K29) APP SIGNAL 2 CIRCUIT SHORTED TO GROUND |
| (K29) APP SIGNAL 2 CIRCUIT SHORTED TO THE (K167) APP RETURN 1 CIRCUIT |
| (K29) APP SIGNAL 2 CIRCUIT SHORTED TO THE (K400) APP RETURN 2 CIRCUIT |
| APP SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .