P002B
Exhaust Cam Profile Control Bank 1 Signal too Low
Variable Valve TimingMODERATE
Описание
Exhaust (B) Cam Profile Control bank 1, Signal too Low
Частые симптомы
- Stuck in low exhaust cam profile
- Reduced exhaust performance
- Check Engine Light
- Poor high-RPM exhaust flow
- Possible rough exhaust note
Возможные причины
- Short to ground in exhaust cam profile circuit
- Failed exhaust cam profile solenoid
- Low system voltage to exhaust system
- Corroded ground connections on exhaust side
- Wiring harness short on exhaust
Диагностика
- 1. Check battery and charging system voltage
- 2. Test for shorts to ground in exhaust circuit
- 3. Inspect exhaust-side ground connections
- 4. Test exhaust cam profile solenoid operation
- 5. Check exhaust wiring harness integrity
Решения по ремонту
- Repair shorted wiring to ground on exhaust side
- Replace faulty exhaust cam profile solenoid
- Clean and tighten exhaust ground connections
- Charge or replace battery if voltage low
- Repair damaged exhaust wiring harness
Профилактика
- Maintain good electrical system health
- Protect exhaust wiring from heat damage
- Regular exhaust electrical ground checks