Checking The Boost Pressure Servo Motor: Notes
For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS .
| Possible Causes |
|---|
| (A15) ASD RELAY OUTPUT CIRCUIT OPEN |
| (Z42) BOOST PRESSURE SERVO MOTOR GROUND CIRCUIT OPEN |
| BOOST PRESSURE SERVO MOTOR |
| INTAKE OR EXHAUST SYSTEM PROBLEM |