Toyota Tundra. Manual — part 142

Fig. 25: Detailed Information Mode 2 Flow Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

7. DTC CLEAR/RECHECK

a. Clearing All DTC Memory (when clearing all the memory of the DTCs previously detected)

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

1. When the preset switch "5" is pressed for 2 seconds or more during "Service Check Mode",

the DTCs for all components are cleared. ("CLr" is displayed at this time.)

HINT:



A beep sound is emitted once when the DTC memory is completely cleared.



When the DTC memory for all the components is cleared, only the component codes
(physical address) are displayed.



After the DTC memory is cleared, the "Service Check Mode" is restored.

Fig. 26: Identifying Preset Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Clearing Individual DTC Memory (when clearing the memory of the DTC previously detected

individually)

1. When the preset switch "5" is pressed for 2 seconds or more during "Detailed Information

Mode 1" or "Detailed Information Mode 2", the DTCs for the target component are cleared.

HINT:



A beep sound is emitted once when the DTC memory is completely cleared.



When the DTC memory is cleared, only the component code (physical address) is
displayed for the target component.



After the DTC memory is cleared, the "Service Check Mode" is restored.



To check DTCs, press the preset switch "1" and perform the system check again.

c. Press the preset switch "1" to perform the service check again, and check that no DTCs are

displayed for all the component codes (physical address).

DIAGNOSTIC TROUBLE CODE CHART

HINT:

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2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of
the code, refer to the "See" below.

COMMUNICATION DIAGNOSIS:

DIAGNOSTIC TROUBLE CODE CHART

DTC Code

Detection Item

Trouble Area

01-21

ROM Error

Radio receiver

01-22

RAM Error

Radio receiver

01-D5

Absence of Registration Unit

1. Power source circuit of the

component shown by the
subcode

2. AVC-LAN circuit between

the radio receiver and the
component shown by the
sub-code

3. Component shown by the

subcode

01-D6

No Master

1. Radio receiver power source

circuit

2. Power source circuit of the

component which has stored
this code

3. AVC-LAN circuit between

the radio receiver and the
component which has stored
this code

4. Component which has stored

this code

5. Radio receiver

01-D7

Connection Check Error

1. Radio receiver power source

circuit

2. Power source circuit of the

component which has stored
this code

3. AVC-LAN circuit between

the radio receiver and the
component which has stored
this code

4. Component which has stored

this code

5. Radio receiver

1. Power source circuit of the

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2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

01-D8

No Response for Connection
Check

component shown by the
subcode

2. AVC-LAN circuit between

the radio receiver and the
component shown by the
sub-code

3. Component shown by the

subcode

01-D9

Last Mode Error

1. Power source circuit of the

component shown by the
subcode

2. AVC-LAN circuit between

the radio receiver and the
component shown by the
sub-code

3. Component shown by the

subcode

01-DA

No Response Against ON / OFF
Command

1. Power source circuit of the

component shown by the
subcode

2. AVC-LAN circuit between

the radio receiver and the
component shown by the
sub-code

3. Component shown by the

subcode

01-DB

Mode Status Error

1. Power source circuit of the

component shown by the
subcode

2. AVC-LAN circuit between

the radio receiver and the
component shown by the
sub-code

3. Component shown by the

subcode

01-DC

Transmission Error

If the same sub-code is recorded in
other components, check harness
for power supply and
communication system of all
components shown by code

1. Radio receiver power source

circuit

2. AVC-LAN circuit between

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra