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.
  • The pre-collision system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.
Pre-Collision System

Symptom

Suspected Area

Link

"Pre-Collision System Unavailable" is displayed

Perform millimeter wave radar sensor assembly adjustment*1

Millimeter wave radar sensor assembly

Combination meter assembly

"Pre-Collision System Unavailable Clean Sensor" is displayed

Foreign matter attached to millimeter wave radar sensor assembly

-

Millimeter wave radar sensor assembly

Combination meter assembly

"Front Camera Unavailable" is displayed

Forward recognition camera

Combination meter assembly

Millimeter wave radar sensor assembly

"Front Camera Vision Blocked. Clean and Demist Windshield" is displayed

Foreign matter attached to forward recognition camera or area of windshield in front of forward recognition camera

-

Forward recognition camera

Combination meter assembly

Millimeter wave radar sensor assembly

Although there is possibility of collision, Pre-collision controls (all controls) do not operate ("Pre-collision System Unavailable" is not displayed)

Check if pre-collision system is canceled

-

Vehicle condition/environment does not match the pre-collision system operation conditions (Confirm control operation conditions).

Check installation condition of millimeter wave radar sensor assembly

Perform millimeter wave radar sensor assembly adjustment

Millimeter wave radar sensor assembly

Check installation condition of forward recognition camera

Perform forward recognition camera adjustment

Forward recognition camera

Although there is no possibility of collision, pre-collision controls (all controls) operate

Vehicle condition/environment does not match the pre-collision system operation conditions (Confirm control operation conditions).

Check installation condition of millimeter wave radar sensor assembly

Perform millimeter wave radar sensor assembly adjustment

Millimeter wave radar sensor assembly

Check installation condition of forward recognition camera

Perform forward recognition camera adjustment

Forward recognition camera

Pre-collision system does not operate

Check if pre-collision system is canceled

-

ECU power source circuit

Millimeter wave radar sensor assembly

Pre-collision system cannot be canceled (PCS warning light does not illuminate)

Combination meter assembly (check if indicator illuminates using Active Test)

Millimeter wave radar sensor assembly

Check steering pad switch assembly condition

Combination meter assembly

Pre-collision system warning timing cannot be changed (warning timing setting screen not displayed on multi-information display)

Millimeter wave radar sensor assembly

Combination meter assembly

*1: If error code 7 is output during beam axis alignment, clear the DTCs and perform beam axis alignment again.

    Utility
    UTILITY NOTICE: When replacing a millimeter wave radar sensor assembly, replace it with a new one. If the millimeter wave radar sensor assembly has been replaced or removed/installed, be sure t ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK MILLIMETER WAVE RADAR SENSOR (a) Measure the voltage and resistance according to the value(s) in the table below. HINT: If the result is not as specified, there may be a ...

    Other materials:

    Toyota CH-R Service Manual > Manual Headlight Beam Level Control System: Precaution
    PRECAUTION EXPRESSIONS OF IGNITION SWITCH The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine Swit ...

    Toyota CH-R Service Manual > Condenser: Disassembly
    DISASSEMBLY PROCEDURE 1. REMOVE COOLER DRYER (for VALEO Made) (a) Using a T55 "TORX" socket wrench, remove the cap from the modulator. *a Modulator ...

    © 2017-2019 Copyright www.tochr.net
    0.0142