Toyota CH-R Service Manual: Problem Symptoms Table

HINT:

• Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
• Inspect the fuses and relays related to the system before inspecting the suspected areas below.
• If the problem occurs in certain locations or times of day, the possibility of wave interference is high.
• If a malfunction occurred after optional components were installed by the dealer, check if there is wave interference from the components.

Operation Check

OPERATION CHECK NOTICE: Make sure that the smart key system (for Start Function) has not been canceled before performing this inspection. Click here OPERATION DESCRIPTION (a) Push-button star ...

Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) Smart key system (for Start Function) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system ...

Other materials:

Toyota CH-R Service Manual > Smart Key System(for Start Function): Power Source Mode does not Change to ON (IG and ACC)
DESCRIPTION If any of the following operations are performed, the certification ECU (smart key ECU assembly) receives a signal, and changes the power source mode. With the electrical key transmitter sub-assembly in the cabin, the engine switch is pressed. When the transmitter batt ...

Toyota CH-R Service Manual > Vehicle Stability Control System: Speed Sensor Rotor Faulty (C1237)
DESCRIPTION The skid control ECU (brake actuator assembly) measures the speed of each wheel by receiving signals from each speed sensor. These signals are used for recognizing that all four wheels are operating properly. Therefore, signals from all wheels must be equal. DTC No. ...