Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Data List / Active Test

DATA LIST / ACTIVE TEST

1. DATA LIST

HINT:

Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

NOTICE:

In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Air Conditioner / Data List.

(e) Read the Data List according to the display on the Techstream.

Air Conditioner

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

FR Seat Heater Temperature

Front seat RH side seat heater temperature / min: -29.7°C or max: 59.55°C

Within range from 36 to 42.2°C (96 to 108°F)

Front seat heater is on

FL Seat Heater Temperature

Front seat LH side seat heater temperature / min: -29.7°C or max: 59.55°C

Within range from 36 to 42.2°C (96 to 108°F)

Front seat heater is on

Number of Trouble Codes

Number of trouble codes / min: 0 or max: 255

Number of DTCs will be displayed

-

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the A36 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" ...

Other materials:

Short in Front Passenger Side Squib 2nd Step Circuit (B1815/54-B1818/54)
DESCRIPTION The front passenger side squib 2nd step circuit consists of the airbag sensor assembly and the instrument panel passenger without door airbag assembly. The circuit signals the SRS to deploy when airbag deployment conditions are met. These DTCs are set when a malfunction is detected ...

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 monitor main switch assembly (warning canceling switch assembly) on. (4) Turn the Techstream on. (5 ...

System Description
SYSTEM DESCRIPTION 1. FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (a) General Description (1) The front passenger occupant detection ECU determines whether the front passenger seat is occupied by an adult or child (with child seat) or is unoccupied, based on the load that is applied to the ...

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