Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: 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

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

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

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

C1AAE

System returns to normal

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

"Front Camera Unavailable Remove Debris On Windshield"

The forward recognition camera or windshield glass within the field of view of the forward recognition camera is dirty or fogged up

The forward recognition camera or windshield glass within the field of view of the forward recognition camera is dirty or fogged up is cleaned

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

Lost Communication With Image Processing Module "A" (U023A)
DESCRIPTION The millimeter wave radar sensor assembly communicates with the forward recognition camera via CAN communication. If there is a communication error with the forward recognition camera ...

Other materials:

Transmission Fluid Temperature Sensor "A" Circuit Low Input (P0712,P0713)
DESCRIPTION The No. 1 ATF temperature sensor converts the fluid temperature into a resistance value for use by the ECM. The ECM applies a voltage to the temperature sensor through terminal THO1 of the ECM. The sensor resistance changes with the ATF temperature. As the temperature becomes hi ...

Transponder Chip Malfunction (B2793,B2794,B2797,B2798)
DESCRIPTION DTC B2793 is stored when a malfunction is found in the key during key code registration or a key code is not registered normally. Replace the key if key code registration cannot be performed normally and this DTC is output. DTC B2794 is stored when a key with an i ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedure to troubleshoot the seat belt warning system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2 ...

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