Toyota CH-R Service Manual: How To Proceed With Troubleshooting

HINT:

• Use the following procedure to troubleshoot the windshield deicer system.
• *: Use the Techstream.

HINT:

• In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
• Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
• The following 5 items are important points for problem analysis:

  What	Vehicle model, system name
  When	Date, time, occurrence frequency
  Where	Road conditions
  Under what conditions?	Driving conditions, weather conditions
  How did it happen?	Problem symptoms

System Description

SYSTEM DESCRIPTION GENERAL The windshield deicer thin heater wires are attached to the inside of the windshield glass to help deice the window surface more quickly. The indicator light illuminates ...

Operation Check

OPERATION CHECK CHECK WINDSHIELD DEICER SYSTEM NOTICE: If the battery voltage becomes low, windshield deicer operation is canceled to prioritize supplying power to the power steering system. Cli ...

Other materials:

Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION This DTC is stored when items controlled by the air conditioning amplifier assembly cannot be customized via the audio and visual system vehicle customization screen. HINT: The air conditioning amplifier assembly controls the air conditioning system related items that are customiz ...

Toyota CH-R Service Manual > Audio And Visual System(for Radio Receiver Type): Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION The radio receiver assembly and map light assembly (telephone microphone assembly) are connected to each other using the microphone connection detection signal lines. Using this circuit, the radio receiver assembly sends power to the map light assembly (telephone microphone assembl ...