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 > Can Communication System: Open in Bus 4 Main Bus Line
DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 2 ...

Toyota CH-R Service Manual > Smart Key System(for Entry Function): Back Door Entry Lock and Unlock Functions do not Operate
DESCRIPTION If the entry lock and unlock functions do not operate for the back door only, the request code may not be being transmitted from the back door. If the entry functions for other doors operate properly, communication between the electrical key transmitter sub-assembly and electrical ...