Toyota CH-R Service Manual: Diagnosis System

NOTICE:

• When using the Techstream with the engine switch off to confirm DTCs or Data List information related to the smart key system, the Techstream may not operate unless either of the following is performed: 1) Turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and vehicle begins, or 2) connect the Techstream to the vehicle and select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key.
• Do not remove any fuses or disconnect the cable from the negative (-) battery terminal before confirming and recording DTCs as the data stored in the ECUs will be cleared.
• DTCs may have been stored due to problems unrelated to the steering lock system. Be sure to confirm and record any DTCs output for other systems.

Terminals Of Ecu

TERMINALS OF ECU TERMINAL INSPECTION *a Component without harness connected (Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly)) - ...

Dtc Check / Clear

DTC CHECK / CLEAR NOTICE: The steering lock ECU (steering lock actuator or upper bracket assembly) does not store history DTCs. If any DTCs are output, confirm and record them as soo ...

Other materials:

Toyota CH-R Service Manual > Audio And Visual System(for Radio Receiver Type): Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE 1. REPLACE CD AND RECHECK (a) Replace the CD with a known good one and check that the malfunction disappears. OK: Malfunction disappears. OK END NG REPLACE RADIO RECEIVER ASSEMBLY ...

Toyota CH-R Service Manual > Navigation System: Microphone Circuit
DESCRIPTION The radio and display receiver assembly, map light assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. Using this circuit, the DCM (telematics transceiver) sends power to the map light assembly and telepho ...