Toyota Sienna Service Manual: DTC check / clear
1. CHECK DTC (USING INTELLIGENT TESTER)
- Checking DTCs.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch ON.
- Read DTCs by following the prompts on the tester screen.
HINT: Refer to the intelligent tester operator's manual for further details.
2. CLEAR DTC (USING INTELLIGENT TESTER)
- Clearing DTCs from memory.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch ON.
- Erase the DTCs following the prompts on the tester screen.
HINT: Refer to the intelligent tester operator's manual for further details.
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE: ...
Data list / active test
1. DATA LIST
HINT:
Using the DATA LIST displayed on the intelligent tester,
you can read the value of the switch, sensor, actuator,
etc. without parts removal. Reading the DATA LIST as
the first ...
Other materials:
Camshaft Position Sensor "A" Circuit
DESCRIPTION
The intake camshaft's Variable Valve Timing (VVT) sensor (G signal) consists
of a magnet and MRE
(Magneto Resistance Element).
The VVT camshaft drive gear has a sensor plate with 3 teeth on its outer
circumference. When the gear
rotates, changes occur in the air gaps betwee ...
No. 2 Clearance Warning Buzzer Circuit
DESCRIPTION
The clearance warning ECU receives the ultrasonic sensor signal to sound the
rear warning buzzer.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER
AMPLIFIER)
Disconnect the connectors from the clearance warning ...
Check for open circuit
(a) For an open circuit in the wire harness in Fig. 1, the resistance or
voltage, as described below.
(b) Check the resistance.
Check the resistance
Standard resistance (Fig. 2)
HINT:
Measure the resistance while lightly shaking the
wire harness vertically and horizontally. I ...