Toyota CH-R Service Manual: Fail-safe Chart

Toyota CH-R Service Manual / Pre-collision / Pre-collision System / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) When a malfunction occurs in the pre-collision system, a message will be displayed on the multi-information display and the pre-collision system will be disabled depending on the malfunction.

Warning Message

Cause

DTC No.

Conditions to Return to Normal

"Pre-Collision System Malfunction Visit Your Dealer"

Pre-collision system malfunction

C1A02

System returns to normal

C1A10

After system returns to normal, ignition switch is turned off and then ON

C1A11

After system returns to normal, ignition switch is turned off and then ON

C1A14

System returns to normal

C1A46

After system returns to normal, ignition switch is turned off and then ON

C1A47

After system returns to normal, ignition switch is turned off and then ON

C1A4A

System returns to normal

C1A4B

System returns to normal

C1A50

System returns to normal

C1A63

System returns to normal

C1A69

After system returns to normal, ignition switch is turned off and then ON

C1AAE

System returns to normal

C1AA0

After system returns to normal, ignition switch is turned off and then ON

C1AA8

After system returns to normal, ignition switch is turned off and then ON

C1AA9

After system returns to normal, ignition switch is turned off and then ON

U0100

System returns to normal

U0125

System returns to normal

U0126

System returns to normal

U0129

System returns to normal

U0235

System returns to normal

U023A

System returns to normal

U1002

System returns to normal

"Pre-Collision System Unavailable"

Millimeter wave radar sensor assembly misaligned

Millimeter wave radar sensor assembly beam axis adjustment is completed and beam axis learning is completed

"Pre-Collision System Unavailable Clean Sensor"

Foreign matter attached to millimeter wave radar sensor assembly

Millimeter wave radar sensor assembly is cleaned

"Front Camera Unavailable"

Forward recognition camera temporarily malfunctioning

  • Abnormal forward recognition camera voltage
  • Forward recognition camera temperature outside of operational range
  • Forward recognition camera temperature returns to normal
  • Forward recognition camera voltage returns to normal
  • Forward recognition camera returns to normal

"Front Camera Vision Blocked. Clean and Demist Windshield"

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

Forward recognition camera or area of windshield glass in front of forward recognition camera is cleaned
    Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part ...

    Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART Pre-collision System DTC No. Detection Item Link C1A02 Vehicle Information Not Obtained ...

    Other materials:

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    Toyota CH-R Service Manual > Pre-collision System: Other System Malfunction (C1A63)
    DESCRIPTION The millimeter wave radar sensor receives the throttle signal from the ECM and judges whether the driver is making an acceleration request. When the ECM detects an electronic throttle malfunction, it informs the millimeter wave radar sensor via CAN communication and sets DTC C1A63. ...

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