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:
Reverse Signal Circuit
DESCRIPTION
The radio and navigation assembly receives a reverse signal from the
park/neutral position switch and
information about the GPS antenna, and then adjusts vehicle position.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY
Disconnect the radio ...
Pressing Power Switch does not Turn on System
INSPECTION PROCEDURE
1 CHECK VEHICLE CONDITION
Check that conditions in the cabin are not likely to cause
condensation.
HINT:
This problem occurs when the cabin is humid and the
temperature changes rapidly. This may produce
condensation, resulting in a short circuit.
OK:
Condensation ...
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:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do ...
