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:

Access doors (Access Cab models only)
The access door (rear door) can be opened using the inside handle. Open the front door widely Pull (from the outside) or push (from the inside) the inside handle of the access door. Open the access door You can open and close the access door only when the front door is widely opened. NOT ...

Steering Lock Position Signal Circuit Malfunction (B2285)
DESCRIPTION This DTC is stored when the steering lock position signal sent by the steering lock ECU (steering lock actuator or upr bracket assembly) via direct line and the steering lock position signal sent via LIN communication do not match. HINT: When the cable is disconnected and reconnec ...

Short to GND in Outer Mirror Indicator(Master) (C1AB2)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects a ground short in the blind spot monitor indicator LH. DTC Code DTC Detection Condition Trouble Area C1AB2 With the blind spot monitor main switch assembly (w ...

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