Toyota CH-R Service Manual: Power Source Mode does not Change to ON (ACC)

NOTICE:

• When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
• The smart key system (for Start Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart key system (for Start Function) after confirming that the communication systems are functioning properly.

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• Make sure that no DTCs are output. If any DTCs are output, proceed to Diagnostic Trouble Code Chart.
• If the smart key system (for Start Function) has been canceled, enable the system before performing troubleshooting.

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• Inspect the fuses for circuits related to this system before performing the following procedure.
• Before replacing the certification ECU (smart key ECU assembly), refer to smart key system (for Start Function) Precaution.

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• After completing repairs, confirm that the problem does not recur.

Power Source Mode does not Change to ON (IG and ACC)

Power Source Mode does not Change to ON (IG)

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