Door Lock

Diagnosis System

~1min read
DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) Smart key system (for entry function) data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart key system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

2. CHECK DLC3

(a) Check the DLC3 (See page 3. INSPECT BATTERY VOLTAGE ).

3. INSPECT BATTERY VOLTAGE

(a) Measure the vehicle battery voltage.

Standard Voltage:

11 to 14 V

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

Test yourself

A quick Toyota Tacoma quiz: every answer comes with an explanation and a link to the manual page.