DTC P0704: Incorrect Clutch SW Signal
- Check the ''On Board Diagnostic (OBD) System Check''.
Was the ''OBD System Check'' performed?
YES – Go to step 2.
NO – Go to OBD System Check. 
- Turn the ignition switch OFF.
- Disconnect the clutch connector.
- Turn the ignition switch ON (II).
- Measure voltage between the clutch SW 2P connector terminals No. 1 and No. 2.
Wire side of female terminals
Is there battery voltage?
YES – Replace the clutch SW.
NO – Go to step 6.
- Measure voltage between the clutch SW 2P connector terminals No. 1 and body ground.
Wire side of female terminals
Is there battery voltage?
YES – Repair open in the ground wire.
NO – Go to step 7.
- Check the clutch SW signal circuit for open or short to ground.
Was a problem found?
YES – Repair the signal wire between ECM and the clutch SW.
NO – Substitute a known-good ECM and recheck. If symptom/indication goes away, replace the original ECM.