RX400h · Service Manual CRUISE CONTROL SYSTEM

P0607 When both of following conditions are met: STP signal input to hybrid vehicle control ECU supervisory CPU and...

Diagnostic trouble codes

DESCRIPTION

This DTC indicator the internal abnormalities of the hybrid vehicle control ECU.
DTC No.
DTC Detection Condition
Trouble Area
P0607
When both of following conditions are met: STP signal input to hybrid vehicle control ECU supervisory CPU and control ECU is different for 0.15 sec. or more 0.4 sec. have passed after cruise cancel input signal (STP input) is input to hybrid vehicle control ECU
  1. Hybrid vehicle control ECU

HINT:
The hybrid vehicle control ECU receives signals from each sensor to control all functions of the cruise control system. When a trouble code is detected, the fail-safe function remains on until the engine switch is turned off.


INSPECTION PROCEDURE


1.REPLACE HYBRID VEHICLE CONTROL ECU

    ← P0571 When voltage of STP terminal and that of ST1- terminal on the hybrid vehicle control ECU are less than 1 V...Cruise Control Switch Circuit →