LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> Matrix Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Cruise Control System (Diagnostics - Introduction)) >> Cruise Control System >> Terminals Of Ecu >> Terminals Of Ecu
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Terminals Of Ecu

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ECM 
    Fig 1: Identifying ECM Connector Terminal Identification - Cruise Control System
    GTY190962Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminals No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A55-27 (TC) - B50-81 (E1) P - W-B Connect to terminal TC of DLC3 Ignition switch on (IG) → Terminals TC and CG of DLC3 connected 10 to 14 V → Below 1 V
    A55-36 (STP) - B50-81 (E1) W - W-B Stop light signal Ignition switch on (IG) Brake pedal depressed (Stop light switch ON) → Brake pedal released (Stop light switch OFF) 7.5 to 14 V → Below 1.5 V
    A55-35 (ST1-) - B50-81 (E1) GR - W-B Stop light signal Ignition switch on (IG)
    Brake pedal depressed (Stop light switch ON) → Brake pedal released (Stop light switch OFF)
    Below 1 V → 10 to 14 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit Ignition switch on (IG) 10 to 14 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit CANCEL switch hold ON 6.6 to 10.1 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit SET/- switch hold ON 4.5 to 7.1 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit RES/+ switch hold ON 2.3 to 4.0 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit Cruise control main switch hold ON Below 1 V