Inspection Procedure
- DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.
NOTE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.- Warm up the engine.
- Turn the engine switch off.
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Data List.
- According to the display on the Techstream, read the Data List.
Engine and ECT
MEASUREMENT ITEM/RANGE AND DIAGNOSTIC NOTETester Display Measurement Item/Range Normal Condition Diagnostic Note SPD (SP2) Output shaft speed/
Min.: 0 km/h (0 mph)
Max.: 255 km/h (158 mph)Vehicle stopped: 0 km/h (0 mph) (output shaft speed equal to vehicle speed) - HINT:
- SPD (SP2) is always 0 while driving:
Open or short in the sensor or circuit.
- The SPD (SP2) value displayed on the Techstream is much less than the actual vehicle speed:
Sensor trouble, improper installation, or intermittent connection trouble in the circuit.
- INSPECT SPEED SENSOR SP2 INSTALLATION
- Check the speed sensor SP2 installation.
OK: The installation bolt is tightened properly and there is no clearance between the sensor and transmission case.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: SECURELY INSTALL OR REPLACE SPEED SENSOR SP2 (See REMOVAL )
OK: Go to next step
- INSPECT SPEED SENSOR SP2
- Disconnect the C42 speed sensor connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection Condition Specified Condition 1 - 2 20°C (68°F) 560 to 680 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE SPEED SENSOR SP2 (See REMOVAL )
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (SPEED SENSOR SP2 - ECM)
- Disconnect the C53 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection Condition Specified Condition C53-101 (SP2+) - C53-100 (SP2-) 20°C (68°F) 560 to 680 Ω C53-101 (SP2+) - Body ground Always 10 kΩ or higher C53-100 (SP2-) - Body ground Always 10 kΩ or higher NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE ECM (See ECM )