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
DTC 01-D5 Absence of Registration Unit
DTC 01-D8 No Response for Connection Check
DTC 01-D9 Last Mode Error
DTC 01-DA No Response Against ON / OFF Command
DTC 01-DB Mode Status Error
DTC 01-DE 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: This code may be stored if the engine is started and then the ignition switch is turned to the START position again.
- *4: If it is reported that the device does not exist during verification, check the power source circuit and AVC-LAN circuit for the device.
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 and navigation assembly 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 AND NAVIGATION ASSEMBLY COMMUNICATION ERROR" IN FLOW CHART
Refer to the radio and navigation assembly communication error
END
ROM Error/ RAM Error
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 AND NAVIGATION ASSEMBLY
END ...
No Master/ Connection Check Error
DTC 01-D6 No Master
DTC 01-D7 Connection Check Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
01-D6
*1
When either of the following condition ...
Other materials:
Basic inspection
When a malfunction is not confirmed by the DTC check,
troubleshooting should be carried out in all circuits
considered to be possible causes of the problem. In many
cases, by carrying out the basic engine check shown in the
following flowchart, the location of the problem can be found
quickly a ...
On-vehicle inspection
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the curtain shield airbag assembly installed on
the vehicle, perform a visual check. If there are any
defects as mentioned below, replace the front pillar
...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery
before proceeding.
3 BASIC INSPECTION
Turn the ignition switch ON.
Check whether or not the radio receiver turns on.
Result
4 CHE ...
