P1345 – Mazda DTC

Mazda DTC P1345 – No CMP or SGC Signal

DTC P1345 meaning on Mazda

DTC P1345 on a Mazda indicates that there is no Camshaft Position (CMP) sensor signal or Synchronizer Signal (SGC) detected by the Engine Control Module (ECM).

Mazda DTC P1345 symptoms

• Check Engine Light (CEL) illuminated
• Engine may run rough or misfire
• Reduced engine performance

Mazda DTC P1345 causes

• Defective Camshaft Position (CMP) sensor
• Faulty Synchronizer Signal (SGC)
• Wiring or connector issues in the CMP sensor circuit
• ECM malfunction

Mazda DTC P1345 seriousness

The DTC P1345 code should be addressed promptly as it can lead to engine performance issues and potential damage if left unresolved.

How to diagnose DTC P1345 on Mazda

1. Use a scan tool to retrieve the DTC P1345 code
2. Inspect the CMP sensor and SGC for any visible damage
3. Check the wiring and connectors for any signs of wear or corrosion
4. Perform a continuity test on the CMP sensor circuit
5. Test the CMP sensor and SGC signal using a multimeter

How to fix DTC P1345 on Mazda

1. Replace the faulty Camshaft Position (CMP) sensor
2. Repair or replace any damaged wiring or connectors in the CMP sensor circuit
3. If the Synchronizer Signal (SGC) is faulty, replace it
4. If necessary, reprogram or replace the Engine Control Module (ECM)

How to erase DTC P1345 on Mazda

1. After completing the repairs, use a scan tool to clear the DTC P1345 code
2. Start the engine and ensure the Check Engine Light (CEL) does not reappear

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