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

HINT:

• Use the following procedure to troubleshoot the key reminder warning 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, whether the problem occurred recently or has been occurring for a long time
  Where	Whether the problem occurs at a specific location
  Under what conditions?	Whether the doors were locked or unlocked, whether the ignition switch was ON, whether the engine has started
  How did it happen?	Problem symptoms

System Description

SYSTEM DESCRIPTION KEY REMINDER WARNING SYSTEM DESCRIPTION (a) When the driver door is opened with the ignition switch off or ACC, this system causes a buzzer to sound in order to warn the driver ...

Operation Check

OPERATION CHECK CHECK FUNCTION (a) Check that the key reminder warning buzzer sounds. (1) With the driver door closed, insert the key into the ignition key cylinder and then make sure that the ig ...

Other materials:

Toyota CH-R Service Manual > Wireless Door Lock Control System(w/o Smart Key System): Operation Check
OPERATION CHECK NOTICE WHEN CHECKING THE FOLLOWING (a) Wireless door lock/unlock function: This wireless door lock control function operates only when the following 3 conditions are met: (1) There is no key in the ignition key cylinder. (2) All doors are closed. (3) The power door lock syste ...

Toyota CH-R Service Manual > Power Window Control System: Jam Protection Function does not Operate
DESCRIPTION This symptom may occur for any of the power windows. The jam protection function operates within a specified range during the manual up or auto up operation. CAUTION / NOTICE / HINT NOTICE: If a power window regulator motor assembly has been replaced with a new one, in ...