Toyota CH-R Service Manual: System Description

System Diagram

SYSTEM DIAGRAM Key Reminder Warning System Communication Table Sender Receiver Signal Line Main Body ECU (Multiplex Network Body ECU) ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the key reminder warning system. *: Use the Techstream. PROCEDURE 1. VEHICLE ...

Other materials:

Toyota CH-R Service Manual > Smart Key System(for Entry Function): Operation History List
OPERATION HISTORY LIST NOTICE: The cause of a malfunction is stored in the RAM or EEPROM in the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will be cleared when the cable is disconnected from the negative (-) battery terminal, do ...

Toyota CH-R Service Manual > Safety Connect System: Telephone Microphone Error (B1572)
DESCRIPTION This DTC is set when the DCM (Telematics Transceiver) detects a malfunction in the telephone microphone assembly circuit. DTC No. Detection Item DTC Detection Condition Trouble Area B1572 Telephone Microphone Err ...