Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • The vehicle stability control system troubleshooting procedures are based on the premise that the CAN communication system is functioning normally. Check the CAN communication system first before troubleshooting the vehicle stability control system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer and confirm the trouble.

Click here

NEXT

3.

CHECK DTC AND FREEZE FRAME DATA*

(a) Check and record DTC and Freeze Frame Data.

for DTC Check/Clear: Click here for Freeze Frame Data: Click here

for Freeze Frame Data: Click here (b) Clear the DTC and Freeze Frame Data.

(b) Clear the DTC and Freeze Frame Data.

Click here

(c) Reconfirm the DTC.

(1) Reconfirm the DTC based on the recorded DTC and Freeze Frame Data.

for DTC Check/Clear: Click here for Freeze Frame Data: Click here

for Freeze Frame Data: Click here

HINT:

  • If DTC U0100, U0124 or U0126 is output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit.

    Click here

  • If there is no response from the skid control ECU (brake actuator assembly), inspect the +BS circuit of the skid control ECU (brake actuator assembly).

    Click here

Result

Proceed to

DTC is output

A

DTC is not output (Problem symptom does not occur)

B

DTC is not output (Problem symptom occurs)

C

B

GO TO STEP 5

C

GO TO STEP 6

A

4.

DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

NEXT

GO TO STEP 7

5.

SYMPTOM SIMULATION

(a) Proceed to Check for Intermittent Problems.

Click here

NEXT

6.

PROBLEM SYMPTOMS TABLE

(a) Proceed to Problem Symptoms Table.

Click here

NEXT

7.

CIRCUIT INSPECTION*

NEXT

8.

IDENTIFICATION OF PROBLEM

NEXT

9.

REPAIR OR REPLACE

NEXT

10.

CONFIRMATION TEST

NEXT

END

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS 1. CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detect ...

Calibration
CALIBRATION 1. DESCRIPTION (a) After replacing any VSC related components or performing wheel alignment adjustment, clear and read the sensor calibration data. Refer to the table below and then p ...

Other materials:

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is displayed during the DTC check, inspect the trouble area for that code. For details of each code, refer to the relevant page listed under respective "See page" in the DTC chart. Tire Pressure Warning ECU and Receiver ...

Transfer Shift Motor Control Circuit Low (P17A9)
DESCRIPTION This DTC is output when a short to ground in the transfer shift motor and A.D.D. shift motor drive circuit is detected. DTC No. Detection Item DTC Detection Condition Trouble Area P17A9 Transfer Shift Motor Contr ...

Radar Cruise Control Presence Determination Malfunction (Engine / HV) (C1A52)
DESCRIPTION DTC C1A52 is stored when the ECM cannot recognize the millimeter wave radar sensor assembly. DTC No. Detection Item DTC Detection Condition Trouble Area C1A52 Radar Cruise Control Presence Determination Malfuncti ...

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