FixVault

DTC P0607/54 Input Signal Circuit Abnormal: Description

This DTC indicates the internal abnormalities of the ECM.

DIAGNOSTIC CHART - INPUT SIGNAL CIRCUIT ABNORMAL

DTC No. Detection Condition Trouble Area
P0607/54 The ECM has a supervisory CPU and a control ECU inside.
This trouble code is output when each input STP signal is different for 0.15 sec. or more. This trouble code is output after 0.4 sec. has passed from the time the cruise cancel input signal (STP input) is input into the ECM.
ECM

HINT:

The ECM receives signals from each sensor to control all the functions of the cruise control with the microcomputer.

When a trouble code is detected, the fail-safe remains on until the ignition switch is turned off.

  1. CHECK FOR DTC 
    1. Delete the DTC.
    2. Check for DTCs.

      OK: No DTC is output. 

      NG: REPLACE ECM 

      OK: END