On-Vehicle Inspection

CHECK CRANK POSITION SENSOR OUTPUT VOLTAGE

Remove the V-bank cover sub-assembly (See REMOVAL )
Disconnect the 2 fuel delivery pipe connectors.

Fig 1: Locating Fuel Delivery Pipe Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the 4 connectors with wire harness locks from the 2 injector drivers.
HINT
- To release each connector look, push the claw downward ("Release" in the illustration) and move the lock lever ("Move" in the illustration).
- Perform this step to prevent the engine from starting.
Remove the engine room ECU cover (See REMOVAL ).
Turn the engine switch on (IG).
HINT.

Do not start the engine.

Measure the voltage according to the value(s) in the table below.

Fig 2: Locating Fuel Delivery Pipe Connectors And Wire Harness Locks Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Identifying ECU Connector Terminal E3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Voltage

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Switch Condition	Specified Condition
E3-18 (VC) - E3-34 (NE-)	Engine switch on (IG)	5V

While turning the crankshaft pulley by hand, measure the voltage between each terminal. Check that the voltage changes between the Hi range and Lo range shown in the table below

Standard Voltage

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Switch Condition	Specified Condition
E3-27 (NE+) - E3-34 (NE-)	Engine switch on (IG)	3 75 to 4.50 V (Voltage (Hi)) 0.50 to 1.25 V (Voltage (Lo))