Toyota Sienna Service Manual: DTC check / clear
1. DTC CHECK
- Connect the intelligent tester to the DLC3.
- Connect the intelligent tester to the Controller Area Network Vehicle Interface Module (CAN VIM). Then connect the CAN VIM to the Data Link Connector 3 (DLC3).
- Turn the ignition switch to the ON position.
- Read the DTCs by following the prompts on the tester screen.
HINT: Refer to the intelligent tester operator's manual for further details.
2. DTC CLEAR
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch to the ON position.
- Operate the intelligent tester to erase the codes.
HINT: Refer to the intelligent tester operator's manual for further details.
Diagnosis system
1. CHECK DLC3
The ECU uses the ISO 15765-4 for communication
protocol. The terminal arrangement of the DLC3
complies with SAE J1962 and matches the ISO
15765-4 format.
NOTICE: ...
Fail-safe chart
HINT:
If the following conditions are detected while the cruise
control is in operation, the system clears the stored vehicle
speed in the ECM and cancels the cruise control operation.
...
Other materials:
Oxygen (A/F) Sensor Signal Stuck
HINT:
Although the DTC titles say oxygen sensor, these DTCs relate to the
Air-Fuel Ratio (A/F) sensor.
Sensor 1 refers to the sensor mounted in front of the Three-Way
Catalytic Converter (TWC) and
located near the engine assembly.
DESCRIPTION
The A/F sensor generates a voltage* ...
Reassembly
1. INSTALL NO. 2 SEAT LEG SUB-ASSEMBLY
Install the No. 2 seat leg sub-assembly with the 3
bolts and nut.
Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf)
NOTICE:
Tighten the bolts and nuts in the order shown in
the illustration.
Install the 3 clamps.
2. INSTALL NO. 2 SEAT ...
ECM / PCM Processor
DESCRIPTION
The ECM continuously monitors its internal processors (CPUs), A/F sensor
transistors and heated oxygen
sensor (HO2S) transistors. This self-check ensures that the ECM is functioning
properly. These are
diagnosed by internal "mirroring" of the main and sub CPUs to det ...
