Toyota Sienna Service Manual: Precaution

Toyota Sienna Service Manual / Engine / 2Gr-fe engine control system / Sfi system / Precaution

1. INITIALIZATION

NOTICE:

Perform RESET MEMORY (AT initialization) when replacing the automatic transaxle assembly, engine assembly or ECM (See page AX-16).
Perform REGISTRATION (VIN registration) when replacing the ECM (See page ES-15).

HINT:

Initialization cannot be completed by only removing the battery.

2. FOR USING INTELLIGENT TESTER

CAUTION:

Observe the following items for safety reasons:

Before using the tester, read the instruction manual.
Prevent the tester cable from being caught on the pedals, shift lever and steering wheel when driving with the tester connected to the vehicle.
When driving the vehicle for testing purposes using the tester, two persons are required. One is for driving the vehicle, and the other operates the tester.

3. FOR USING BATTERY DURING INSPECTION

(a) While using the battery during inspection, do not bring the positive and negative tester probes too close to each other as a short circuit may occur.

4. COOLING FAN SYSTEM

NOTICE:

When the ignition switch is turned off and the engine temperature is high, the cooling fans may operate for approximately 3 minutes.
After turning the ignition switch off, keep hands and objects away from the fans when they are operating.

HINT:

If all of the following are met for a certain period of time during a few minute period immediately before the engine is stopped, the electric fans will continue to operate for 3 minutes after the engine is stopped. This is performed to ensure restartability and stabilize idle speed.

The intelligent tester indicates a very high coolant temperature.
The intelligent tester indicates a high outside air temperature.
The vehicle has been driven under high load (driving on an uphill or equivalent).

The following sensors are used for this control:

Coolant temperature sensor
Outside air temperature sensor
MAF sensor
Vehicle speed sensors

Sfi system

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Definition of terms

Terms Definitions Monitor Description Description of what ECM monitors and how to detect malfunctions (monitoring purpose and details). Related DTCs A gro ...

Other materials:

Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (See page AC-172) 2. REMOVE FRONT WHEEL RH 3. REMOVE FRONT FENDER APRON SEAL RH (See page EM-26) 4. REMOVE V-RIBBED BELT (See page EM-6) 5. REMOVE RADIATOR AND FAN ASSEMBLY (See page CO-28) 6. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY (a) Re ...

Removal
1. REMOVE NO. 1 REAR SEAT OUTER BELT ASSEMBLY (for 8-Passenger) HINT: Refer to the instructions for disassembly of the rear No .1 seat assembly (for center seat). Remove the rear seatback board. Remove the rear seat shoulder belt cover. Remove the 2 bolts, 2 nuts and No. 1 re ...

Removal
HINT: On the RH side, use the same procedures as on the LH side. 1. REMOVE SLIDE DOOR Remove the rear door scuff plate (See page IR-7). Remove the back door scuff plate (See page ED- 214). Remove the quarter trim panel (See page IR-9). Remove the upper rail cushion from the rail up ...