Detonation (Knock) Retard
WARNING: This page is about a different car, the 1995 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Faults in knock sensor (detonation retard) circuit may set DTC 34 (P0325). To test system, see DTC 34 (P0325) diagnostic procedures in the TESTS W/CODES article. To test knock (detonation) sensor, see ENGINE SENSORS & SWITCHES .