Toyota RAV4 manuals

Toyota Sienna Service Manual: Active test


Performing an ACTIVE TEST enables components including the relays, VSV (Vacuum Switching Valve), and actuators, to be operated without removing any parts.

The ACTIVE TEST can be performed with an intelligent tester. Performing an ACTIVE TEST in the first step in troubleshooting is one method to shorten diagnostic time.

DATA LIST can be displayed during ACTIVE TESTs.

(a) Connect an intelligent tester to the DLC3.

(b) Start the engine.

(c) Turn the tester ON.

(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.

(e) Perform the ACTIVE TEST by referring to the table below.

Active test

Active test

Active test

  • *1: If the display of the DATA LIST's CAT OT MF F/C item is NOT AVL, perform this ACTIVE TEST with the vehicle stopped and the engine idling.
  • *1: If the display of the DATA LIST's CAT OT MF F/C item is AVAIL, perform this ACTIVE TEST as described below.

(a)Stop the engine and turn the ignition switch ON to turn FUEL CUT#1 (to #6) ON.

(b)Start the engine.

Data list
HINT: Reading the DATA LIST displayed on an intelligent tester enables values, including those of the switches, sensors, and actuators, to be checked without removing any parts. Reading the DATA L ...

System check
HINT: Performing a SYSTEM CHECK enables the system, which consists of the multiple actuators, to be operated without removing any parts. In addition, it can show whether or not any DTCs are set, a ...

Other materials:

Basic inspection
When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location of the problem can be found quickly a ...

Pressure Control Solenoid "A" Electrical (Shift Solenoid Valve SL1)
DESCRIPTION Shifting from 1st to 5th is performed in combination with "ON" and "OFF" operation of the shift solenoid valves SL1, SL2, SL3, S4 and SR which are controlled by the ECM. If an open or short circuit occurs in either of the shift solenoid valves, the ECM cont ...

Engine coolant
The coolant level is satisfactory if it is between the “FULL” and “LOW” lines on the reservoir when the engine is cold. Reservoir cap “FULL” line “LOW” line If the level is on or below the “LOW” line, add coolant up to the “FULL” line. Coolant selection On ...

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