Toyota CH-R Service Manual: Problem Symptoms Table

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 this system before inspecting the suspected areas below.
Panel Switch Function

Symptom

Suspected Area

Link

Panel switches do not function

Proceed to "Panel Switches do not Function"

Proceed to "Radio Receiver Power Source Circuit"

Radio receiver assembly

Illumination for panel switches does not come on with tail switch on

Proceed to "Illumination Circuit"

Steering Pad Switch Function

Symptom

Suspected Area

Link

System cannot be operated by steering pad switch

Proceed to "Panel Switches do not Function"

Proceed to "Steering Pad Switch Circuit"

Radio receiver assembly

Illumination for steering pad switch does not come on with tail switch on

Proceed to "Illumination Circuit"

General Audio Function

Symptom

Suspected Area

Link

No sound can be heard from speakers

Proceed to "No Sound can be Heard from Speakers"

Proceed to "Speaker Circuit"

Radio receiver assembly

Sound quality is bad in all modes (volume is too low)

Check that the ASL function is off

-

Proceed to "Poor Sound Quality in All Modes (Low Volume)"

Proceed to "Speaker Circuit"

Radio receiver assembly

ASL does not function

Check that the ASL function is on

-

Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"

Radio receiver assembly

Abnormal noise occurs

Proceed to "Noise Occurs"

Radio receiver assembly

FM or AM Radio Function

Symptom

Suspected Area

Link

Radio broadcast cannot be received or poor reception

Proceed to "Radio Broadcast cannot be Received or Poor Reception"

CD Player Function

Symptom

Suspected Area

Link

CD cannot be inserted/played or CD is ejected right after insertion

Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion"

CD cannot be ejected

Proceed to "CD cannot be Ejected"

CD sound skips

Proceed to "CD Sound Skips"

Sound quality is bad only when CD is played (volume is too low)

Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)"

AUX Function

Symptom

Suspected Area

Link

External device sound cannotbe heard orsound quality isbad (stereo jack is used)

Radio receiver assembly

USB Audio System Function

Symptom

Suspected Area

Link

USB audio system sound cannot be heard or sound quality is bad (USB connector is used)

Radio receiver assembly

USB device or "iPod" is not recognized

Proceed to "USB Audio System Recognition/Play Error"

Radio receiver assembly

Track information, such as track, artist and album names, is not displayed

Proceed to "USB Audio System Recognition/Play Error"

Radio receiver assembly

USB device or "iPod" is recognized but cannot play or play in a sorted order

Proceed to "USB Audio System Recognition/Play Error"

Radio receiver assembly

"iPod" battery cannot be charged

Proceed to "USB Audio System Recognition/Play Error"

Radio receiver assembly

"Bluetooth" Hands-free Function

Symptom

Suspected Area

Link

"Bluetooth" is inoperative (In-vehicle device cannot be recognized by the cellular phone)

Proceed to "Cellular Phone Inspection"

Radio receiver assembly

"Bluetooth" compatible cellular phone cannot be registered

Proceed to "Cellular Phone Registration Failure"

"Bluetooth" compatible cellular phone cannot be connected

Check that no other cellular phone is connected as a hands-free device

-

Bring the cellular phone near the in-vehicle device and reconnect it

-

Proceed to "Cellular Phone Inspection"

Radio receiver assembly

"Bluetooth" compatible cellular phone cannot be connected automatically (can be connected manually)

Check that "Bluetooth" automatic connection setting of the in-vehicle device is on

-

Radio receiver assembly

"Bluetooth" compatible cellular phone connection is disconnected

Bring the cellular phone near the in-vehicle device and check if it is reconnected

-

Proceed to "Cellular Phone Inspection"

Radio receiver assembly

Message that prompts to check the cellular phone is displayed

Bring the cellular phone near the in-vehicle device and check if it is reconnected

-

Proceed to "Cellular Phone Inspection"

Radio receiver assembly

When the ignition switch is turned to ACC, instructions for checking the connection condition between the in-vehicle device and cellular phone are displayed

Turn the cellular phone connection conformation display on the in-vehicle device off

-

Phonebook data cannot be transferred manually or automatically

Check that no applications on the cellular phone are running

-

If using "Bluetooth" audio function, cancel the "Bluetooth" audio player connection and check the operation

-

Proceed to "Cellular Phone Inspection"

Radio receiver assembly

Phonebook data is cleared

Radio receiver assembly

Phonebook data cannot be edited

Radio receiver assembly

Cellular phone cannot make outgoing/incoming calls

Move the vehicle into a cellular phone service area, check that the "Bluetooth" device is connected to the vehicle and operate the device again

-

Check that the cellular phone can make outgoing/incoming calls properly when not connected via "Bluetooth"

-

Proceed to "Cellular Phone Inspection"

Radio receiver assembly

Other caller's voice is interrupted by noise or sound quality is poor

Check the receiving voice volume (if it is too high, voice may sound distorted)

-

Make a call with the cellular phone disconnected from "Bluetooth" and check that other caller's voice can be heard clearly

-

Proceed to "Cellular Phone Inspection"

Radio receiver assembly

Other caller's voice cannot be heard

Check that reception voice volume is not set to minimum

-

Make a call with the cellular phone disconnected from "Bluetooth" and check that other caller's voice can be heard clearly

-

Proceed to "Cellular Phone Inspection"

Radio receiver assembly

Caller's voice (your voice) is interrupted by noise or sound quality is poor

Check the transmitting voice volume (if it is too high, voice may sound distorted)

-

Check that nothing can cause noise around the microphone (an outlet of the air conditioning system facing the microphone, wind from an open window, additional devices, etc. may affect noise occurrence)

-

Proceed to "Cellular Phone Inspection"

Proceed to "Microphone Circuit between Microphone and Radio Receiver"

Radio receiver assembly

Other caller cannot hear your voice

When talking on the cellular phone, check that the mute button is not pressed

-

Check that nothing can cause noise around the microphone (an outlet of the air conditioning system facing the microphone, wind from an open window, additional devices, etc. may affect noise occurrence)

-

Proceed to "Cellular Phone Inspection"

Proceed to "Microphone Circuit between Microphone and Radio Receiver"

Radio receiver assembly

"Bluetooth" can be connected while driving

Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"

Radio receiver assembly

"Bluetooth" Audio Function*

Symptom

Suspected Area

Link

Portable player cannot be registered

Proceed to "Portable Player cannot be Registered"

Radio receiver assembly

Portable player cannot be connected manually/automatically

Proceed to "Portable Player cannot be Registered"

Proceed to "Portable Player cannot be Connected Manually/Automatically"

Radio receiver assembly

Cellular phone with portable audio function cannot be recognized as "Bluetooth" audio device even when connected using "Bluetooth"

Proceed to "Portable Player cannot be Registered"

Proceed to "Portable Player cannot be Connected Manually/Automatically"

Radio receiver assembly

Sound of portable player cannot be heard from speakers, or sound is low

Proceed to "Sound of Portable Player cannot be Heard from Speakers or Sound is Low"

Radio receiver assembly

Portable player does not play even after "Bluetooth" audio mode is selected

Proceed to "Does not Play even after Bluetooth Audio Mode is Selected"

Radio receiver assembly

Portable player does not play

Proceed to "Does not Play even after Bluetooth Audio Mode is Selected"

Radio receiver assembly

Track information such as track number, track name, elapsed play time and playlist is not displayed

Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"

Radio receiver assembly

Operation switches for portable player such as play, pause, repeat and random are not displayed

Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"

Radio receiver assembly

"Bluetooth" signal condition is not displayed

Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"

Radio receiver assembly

Portable player cannot pause, select file, fast forward, fast rewind, play at random

Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"

Radio receiver assembly

Noise occurs or sound skips when portable player plays

Proceed to "Noise Occurs or Sound Skips when Portable Player Plays"

Radio receiver assembly

Registered device cannot be deleted

Proceed to "Registered Device cannot be Deleted"

Radio receiver assembly

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