Lexus ES: Terminals Of Ecu
TERMINALS OF ECU
HINT:
Check from the rear of the connector while it is connected to the components.
DCM (TELEMATICS TRANSCEIVER)
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
G128-1 (+B) - G128-20 (E) | GR - W-B | Power source (+B) | Power switch off | 11 to 14 V |
G128-20 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
G128-19 (IG2) - G128-20 (E) | P - W-B | Power source (IG) | Power switch on (IG) | 11 to 14 V |
Power switch off | Below 1 V |
G128-25 (CANP) | R | CAN communication signal | - | - |
G128-26 (CANN) | W | CAN communication signal | - | - |
G128-30 (SLPD) - G128-20 (E) | SB - W-B | Steering lock bar position signal | Steering locked | 11 to 14 V |
Steering unlocked | Below 1.5 V |
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
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DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U014087 Lost Communication with
UTILITY CANCEL COMMUNICATION FUNCTION PAUSING HINT: This function is used to cancel communication function pausing mode. (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c)
PROCEDURE 1. CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION) (a) Check the problem symptom. (1) Check the problem symptom of the warning notification function. Result Proceed to
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MONITOR DESCRIPTION This monitor will run when the engine is started at an engine coolant temperature of -10 to 50°C (14 to 122°F). The DTC will be stored after the engine idles for 13 seconds (2 trip detection logic). The DTC is designed to monitor the idle air control at cold start. When the eng
DESCRIPTION If the radio receiver assembly cannot detect the DCM (telematics transceiver) for a certain period of time (90 seconds) after the engine switch is turned on (ACC) and the radio receiver assembly confirms that the information is missing by checking past DCM (telematics transceiver) recogn
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