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Home >> Lexus >> 2004 >> RX 330 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System - Diagnosis >> DTC P0607/54: Control Module Performance >> Circuit Description

Circuit Description

This DTC indicates the internal abnormalities of the ECM.

DIAGNOSTIC CHART

DTC No. Detection Item Trouble Area
P0607/54 The ECM has a supervisory CPU and a control ECU inside.
When each input STP signal is different for 0.15 secs. or more, the malfunction code is output.
The malfunction code is output after 0.4 secs. have passed from the time the cruise cancel input signal (STP input) is input into the ECM.
  • ECM

HINT:

When a malfunction code is detected, the fail safe must be kept on until the ignition switch is turned OFF.

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