Toyota Tacoma manuals

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

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the blind spot monitor system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

NEXT

3.

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

NEXT

4.

CHECK CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

Result

Proceed to

CAN communication system DTC is not output.

A

CAN communication system DTC is output.

B

B

GO TO CAN COMMUNICATION SYSTEM

A

5.

CHECK FOR DTC AND FREEZE FRAME DATA*

(a) Refer to DTC Check / Clear for the blind spot monitor system.

Click here (b) Record or print DTCs and freeze frame data, if necessary.

(b) Record or print DTCs and freeze frame data, if necessary.

Click here

Result

Proceed to

DTCs are output.

A

DTCs are not output.

B

B

GO TO STEP 9

A

6.

CLEAR DTC*

(a) Refer to DTC Check / Clear for the blind spot monitor system.

Click here HINT:

HINT:

The current DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.

NEXT

7.

RECHECK FOR DTC*

(a) Refer to DTC Check / Clear for the blind spot monitor system.

Click here

Result

Proceed to

DTCs are output.

A

DTCs are not output.

B

HINT:

Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.

B

GO TO STEP 9

A

8.

DIAGNOSTIC TROUBLE CODE CHART

(a) Find the output DTC in Diagnostic Trouble Code Chart.

Click here

NEXT

GO TO STEP 11

9.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table.

A

Fault is listed in Problem Symptoms Table.

B

HINT:

If the symptom does not recur and no DTC is output, attempt to reproduce the symptoms.

Click here

B

ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

A

10.

PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM*

(a) Refer to Terminals of ECU.

Click here (b) Refer to Data List / Active Test.

(b) Refer to Data List / Active Test.

Click here

NEXT

11.

CIRCUIT INSPECTION

NEXT

12.

ADJUST, REPAIR OR REPLACE

NEXT

13.

PERFORM BEAM AXIS INSPECTION AND CONFIRMATION

(a) Enter Test Mode (refer to Blind Spot Monitor Beam Axis Inspection).

Click here (b) Confirm the blind spot monitor beam axis display and perform the blind spot

(b) Confirm the blind spot monitor beam axis display and perform the blind spot monitor beam axis adjustment.

Click here

NEXT

14.

PERFORM CONFIRMATION TEST*

NEXT

END

System Diagram
SYSTEM DIAGRAM ...

Operation Check
OPERATION CHECK 1. BLIND SPOT MONITOR BEAM AXIS INSPECTION (a) Procedure to enter Test Mode (1) Connect the Techstream to the DLC3. (2) Turn the ignition switch to ON. (3) Turn the blind spot mon ...

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