Toyota 4Runner manuals

Toyota 4Runner: Data List / Active Test

DATA LIST / ACTIVE TEST

1. ACTIVE TEST

HINT:

Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

(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 / Active Test.

(e) According to the display on the Techstream, perform the Active Test.

Air Conditioner

Tester Display

Test Part

Control Range

Diagnostic Note

Defogger Relay (Rear)

DEF relay operation

OFF/ON

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Terminals Of Ecu
TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the F42 air conditioning amplifier connector. (b) Measure the voltage and resistance according to the value(s) in the ...

Rear Window Defogger System does not Operate
DESCRIPTION When the back door power window is fully closed and the rear window defogger switch is turned on, a rear window defogger activation request signal is sent via the LIN communication li ...

Other materials about Toyota 4Runner:

Initialization
INITIALIZATION 1. PROCEDURES NECESSARY WHEN CABLE IS DISCONNECTED/RECONNECTED TO BATTERY TERMINAL NOTICE: After the battery is reconnected, be sure to wait 10 seconds or more before attempting to start the engine. The engine may not start immedi ...

Front Speed Sensor
Components COMPONENTS ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT HINT: The procedure listed below is for the LH side. Other than areas where instructions are provided, use the same procedures for the RH and LH sides. ...

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