P1154 – Intake Valve Timing Control High Input (Bank 1, Nissan)
Description
The ECM detected a high input signal from the intake valve timing control system on Bank 1.
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A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.
Compare Diagnostic ScannersSymptoms
- Rough idle
- Poor acceleration
- Hesitation
- High fuel consumption
- Check engine light
Causes
- Short to power
- Faulty OCV valve
- Connector corrosion
- Wiring damage
Diagnosis
- Check wiring for shorts
- Inspect OCV valve
- Check connectors
- Scan VVT data
Repair
- Repair wiring
- Replace OCV valve
- Clean connectors
