Toyota Tacoma manuals

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

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the key reminder warning system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT BATTERY VOLTAGE

(a) Check the battery voltage.

Standard voltage:

11 to 14 V

HINT:

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

NEXT

3.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

Click here

Result

Proceed to

DTC is not output

A

DTC is output

B

B

GO TO CAN COMMUNICATION SYSTEM

A

4.

PROBLEM SYMPTOMS TABLE

Result

Proceed to

Fault is not listed on Problem Symptoms Table

A

Fault is listed on Problem Symptoms Table

B

B

GO TO STEP 6

A

5.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU.

Click here (b) Data List / Active Test.

(b) Data List / Active Test.

Click here

NEXT

6.

REPAIR OR REPLACE

NEXT

7.

CONFIRMATION TEST

NEXT

END

System Diagram
SYSTEM DIAGRAM ...

System Description
SYSTEM DESCRIPTION 1. KEY REMINDER WARNING SYSTEM DESCRIPTION (a) When the driver side door is opened with the ignition key in the ACC or LOCK position, this system causes the key reminder warning ...

Other materials:

Headlight Dimmer Relay
Inspection INSPECTION PROCEDURE 1. INSPECT HEADLIGHT DIMMER RELAY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard: Tester Connection Condition Specified Condition ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Troubleshooting of the theft deterrent system is based on the premise that the power door lock control system, wireless door lock control system*1 and smart key system*2 are operating normally. Accordingly, before troubleshooting the theft deterrent ...

Torque Converter Clutch Circuit Short to Battery or Open (P074015)
DESCRIPTION Shift solenoid valve SL is turned on and off by signals from the ECM to control the hydraulic pressure acting on the lock-up relay valve, which then controls operation of the lock-up clutch. DTC No. DTC Detection Condition Trouble Area SA ...

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