LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - SFI System Diagnostics (4 Of 4) >> DTC P1607 Cruise Control Input Processor >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P1607 Cruise Control Input Processor: Description

The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and set a DTC immediately

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P1607 ECM CPUs malfunction (1 trip detection logic) ECM