Sfi System Diagnosis System

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
2Gr-Fe Engine Control System. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. EURO-OBD

  1. NORMAL MODE AND CHECK MODE

  1. 2 TRIP DETECTION LOGIC

  1. DLC3 (Data Link Connector 3)

  1. INSPECT BATTERY VOLTAGE

  1. CHECK MIL

  1. ALL READINESS

Sfi System -- Diagnosis System



EURO-OBD
When troubleshooting Europe On-Board Diagnostic (Euro-OBD) vehicles, the vehicle must be connected to an OBD scan tool (complying with ISO 15765-4). Various data output from the vehicle's ECM can then be read.
Euro-OBD regulations require that the vehicle's on-board computer illuminates the Malfunction Indicator Lamp (MIL) on the instrument panel when the computer detects a malfunction in:
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. The emission control system/components

  2. The power train control components (which affect vehicle emissions)

  3. The computer
    In addition, the applicable Diagnostic Trouble Codes (DTCs) prescribed by ISO 15765-4 are recorded in the ECM memory. If the malfunction does not recur in 3 consecutive trips, the MIL turns off automatically but the DTCs remain recorded in the ECM memory.
    To check for DTCs, connect the intelligent tester to the Data Link Connector 3 (DLC3) of the vehicle.
    The scan tool displays DTCs, the freeze frame data and a variety of the engine data.
    The DTCs and freeze frame data can be erased with the scan tool (RAV4_ACA30 RM000000PDK0AIX.html).


NORMAL MODE AND CHECK MODE
The diagnosis system operates in "normal mode" during normal vehicle use. In normal mode, "2 trip detection logic" is used to ensure accurate detection of malfunctions. "Check mode" is also available for technicians as an option. In check mode, "1 trip detection logic" is used for simulating malfunction symptoms and increasing the system's ability to detect malfunctions, including intermittent malfunctions (intelligent tester only).

2 TRIP DETECTION LOGIC
When a malfunction is first detected, the malfunction is temporarily stored in the ECM memory (1st trip). If the same malfunction is detected again after the ignition switch is turned off and then on (IG), the MIL will illuminate.

DLC3 (Data Link Connector 3)
The vehicle's ECM uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with ISO 15031-03 and matches the ISO 15765-4 format.
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Gr-Fe Engine Control System.Sfi System.Sfi System Diagnosis System
HINT:
Connect the cable of the intelligent tester to the DLC3, turn the ignition switch to the ON position and attempt to use the tester. If the display indicates that a communication error has occurred, there is a problem either with the vehicle or with the tester.
If communication is normal when the tester is connected to another vehicle, inspect the DLC3 of the original vehicle.
If communication is still not possible when the tester is connected to another vehicle, the problem may be in the tester itself. Consult the Service Department listed in the tester's instruction manual.

Symbol (Terminal No.)
Terminal Description
Condition
Result
SIL (7) - SG (5)
Bus "+" line
During transmission
Pulse generation
CG (4) - Body ground
Chassis ground
Always
Below 1 Ω
SG (5) - Body ground
Signal ground
Always
Below 1 Ω
BAT (16) - Body ground
Battery positive
Always
11 to 14 V
CANH (6) - CANL (14)
CAN bus line
Ignition switch off*
54 to 69 Ω
CANH (6) - CG (4)
HIGH-level CAN bus line
Ignition switch off*
200 Ω or higher
CANL (14) - CG (4)
LOW-level CAN bus line
Ignition switch off*
200 Ω or higher
CANH (6) - BAT (16)
HIGH-level CAN bus line
Ignition switch off*
6 kΩ or higher
CANL (14) - BAT (16)
LOW-level CAN bus line
Ignition switch off*
6 kΩ or higher
NOTICE:
*: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition switch, any other switches or the doors.

INSPECT BATTERY VOLTAGE
If voltage is below 11 V, replace the battery before proceeding to the next step.
Standard voltage:
11 to 14 V

CHECK MIL

  1. Check that the MIL illuminates when turning the ignition switch to the ON position.
    If the MIL does not illuminate, there is a problem in the MIL circuit (RAV4_ACA30 RM000000WZ109YX.html).

  2. When the engine is started, the MIL should turn off.


ALL READINESS
For this vehicle, using the intelligent tester allows readiness codes corresponding to all DTCs to be read. When diagnosis (normal or malfunctioning) has completed, readiness codes are set.