Possible Causes
| Possible Causes |
|---|
| INTERMITTENT DTC |
| (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE |
| (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO (K152) TIP RETURN CIRCUIT |
| (K857) 5 VOLT SUPPLY CIRCUIT SHORTED TO (K153) TIP SIGNAL CIRCUIT |
| (K857) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE |
| (K153) TIP SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| (K153) TIP SIGNAL CIRCUIT SHORTED TO GROUND |
| (K153) TIP SIGNAL CIRCUIT SHORTED TO (K152) TIP RETURN CIRCUIT |
| (K153) TIP SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| (K152) TIP RETURN CIRCUIT OPEN OR HIGH RESISTANCE |
| THROTTLE INLET PRESSURE SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.