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 > Navigation System: Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U0073 Sending Malfunction (Navigation to APGS) CAN bus connec ...

Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the ...