Toyota Sienna Service Manual: Absence of Registration Unit/ No Response for Connection Check/ Last Mode
Error/ No Response Against ON / OFF Command/ Mode Status Error/ Slave Reset
DESCRIPTION
HINT:
- *1: Even if no fault is present, this trouble code may be stored
depending on the battery condition or
engine start voltage.
- *2: If the power connector is disconnected after the engine
starts, this code is stored after 180 seconds.
- *3: If the device is reported as not existing during verification,
check the power source circuit and AVCLAN
circuit for the device.
- *4: This code may be stored if the engine is started and the
ignition switch is turned to the START
position again.
NOTICE:
- Before starting troubleshooting, be sure to clear DTCs to erase
codes stored due to the
reasons described in the HINT above. Then, check for DTCs and troubleshoot
according to the
output DTCs.
- The radio receiver is the master unit.
- Be sure to clear and recheck DTCs after the inspection is
completed to confirm that no DTCs
are output.
INSPECTION PROCEDURE
NOTICE:
Be sure to read DESCRIPTION before performing the following procedures
1 CHECK "RADIO RECEIVER COMMUNICATION ERROR" IN FLOW CHART
Refer to the radio receiver communication error
END
DTC 01-21 ROM Error
DTC 01-22 RAM Error
DESCRIPTION
INSPECTION PROCEDURE
HINT:
After the inspection is completed, clear the DTCs.
1 REPLACE RADIO RECEIVER
END ...
DTC 01-D6 No Master
DTC 01-D7 Connection Check Error
DESCRIPTION
HINT:
*1: Even if no fault is present, this trouble code may be stored
depending on the battery condition or
engi ...
Other materials:
Back Sonar Sensor RH Circuit
DESCRIPTION
An ultrasonic sensor consists of a sensor portion that transmits and receives
ultrasonic waves and a preamplifier
that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and
sends the received
signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PR ...
Terminals of ECU
1. POSITION CONTROL ECU AND SWITCH ASSEMBLY
(POWER SEAT CONTROL SWITCH AND ECU)
Disconnect the P58 and P59 connectors.
Check the voltage of each terminal of the wire
harness side connectors.
If the result is not as specified, there may be a
malfunction in the wire harn ...
Diagnosis system
1. BUS CHECK
Select "BUS CHECK" from the "OBD/MOBD
MENU" screen.
HINT:
The ECUs and sensors that are properly connected
to the CAN communication system can be displayed
using the intelligent tester via the CAN VIM.
Press "ENTER" on the intelligent te ...