P1664

DTC P1664
Throttle angle / Torque signal (power stage) Drive cycle A:Signal out of range - below minimum.

Possible causes by suggested order of priority:
- Short circuit C636/29 (SP) to vehicle +12V.
- Short circuit C636/29 (SP) to vehicle earth.
- Open circuit C504/10 (SP) to C636/29 (SP).
- Connector(s) C504,ECM C636 (B).
- Faulty ABS ECU.
- Faulty ECM.

Short circuit C636/29 (SP) to vehicle +12V.
- Check resistance < 5.0 Ohm

Short circuit C636/29 (SP) to vehicle earth.
- Check resistance > 1M Ohm

Open circuit C504/10 (SP) to C636/29 (SP).
- Check resistance > 1M Ohm

Connector(s) C504,ECM C636 (B).
- Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

Faulty ABS ECU.
CHECK THE FOLLOWING:
- Eliminate any possible harness or connector faults.
- Check ABS ECU by substituting a known good unit.
POSSIBLE FAULTS
- ABS ECU Faulty

Faulty ECM.
CHECK THE FOLLOWING:
- Eliminate all other fault possibilities before suspecting the ECM.
- Failure of this component is unlikely.
- Check ECM by substituting a known good unit.
POSSIBLE FAULTS
- ECM Faulty