DTC P0704: Clutch Switch Input Circuit Malfunction: Condition
WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0704 is set when Powertrain Control Module (PCM) detects the clutch switch voltage has not been changed after vehicle has been driven at speeds more than 16 MPH. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:
- Clutch switch malfunction.
- Short or open circuit between clutch switch and PCM.