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:

Diagnosis system
1. CHECK DLC3  The ECU uses ISO 15765-4 for communication. The terminal arrangement of the DLC3 complies with SAE J1962 and meets the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition s ...

Radio Broadcast cannot be Received or Poor Reception
INSPECTION PROCEDURE 1 CHECK RADIO RECEIVER Check the radio's automatic station search function.  Check the radio's automatic station search function by activating it. OK: The radio's automatic station search function works properly. 2 CONFIRM MODEL Result 3 INSPECT RADIO ...

Replacement 1. REMOVE NO. 1 ENGINE UNDER COVER (See page EM-26) 2. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 3. DRAIN ENGINE COOLANT (a) Loosen the radiator drain cock plug. HINT: Collect the coolant in a container and dispose of it according to the regulations in your area. (b ...

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