Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Terms	Description
Physical address	3-digit, hexadecimal code assigned to all components connected to the AVC-LAN. Individual symbols are specified based on function. Units whose names are unknown or relevant units are displayed with physical addresses.
Logical address	2-digit, hexadecimal code assigned to all the functions in the AVC-LAN system.

HINT:

Titles for each unit are stated in the following order: parts name (physical address) [Name indicated by DTC]

MULTI-DISPLAY (physical address: 110) [EMV]

Logical address: 01 (Communication control)

Fig 1: Identifying Multi-Display Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:
- *1: This code may be recorded depending on the battery condition or engine start voltage even if no failure is detected.
- *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
- *3: This code may be stored if the ignition key is turned to the START position again with the engine running.
- *4: This code may be stored if the ignition key is held in the START position for 1 minute or more before returning to the ON position.
- *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
Logical address: 21 (SW): 23 (SW with name): 24 (SW converting): 25 (command SW)

DTC CHART

DTC	Name	Diagnosis	Verification	See Procedure
10	Panel switch error	The panel SW detection circuit has a failure.	Replace multi-display	REPLACEMENT

NAVIGATION ECU (Physical address: 178) [NAVI]
1. Logical address: 01 (Communication control)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  
  Fig 2: Identifying Navigation ECU Condition Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
  - *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
  - *3: This code may be stored if the ignition key is turned again after the engine starts.
  - *4: This code may be stored if the ignition key is held in the START position for one minute or more before returning to the ON position.
  - *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
2. Logical address: 58 (Navigation): 80 (GPS)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
Fig 3: Identifying Problem Listed Order
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RADIO RECEIVER ASSY (Physical address: 190) [AUDIO H/U]
1. Logical address: 01 (Communication control)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  
  Fig 4: Radio Receiver Assy Problem Listed
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Logical address: 01 (Communication control)
  
  Fig 5: Communication Control Diagnosis Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
  - *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
  - *3: This code may be stored if the ignition key is turned again after the engine starts.
  - *4: This code may be stored if the ignition key is held in the START position for one minute or more before returning to the ON position.
  - *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
3. Logical address: 62 (CD): 63 (CD changer)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  
  Fig 6: Identifying Cause Problem Listed
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Logical address: 61 (Cassette)
HINT:

Methods used to verify the cause of the problem are listed in order of probability in the verification column.

Fig 7: Logical Address (Cassette) Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TELEPHONE TRANSCEIVER AND SPEAKER RELAY (Physical address: 17D) [TEL]

Logical address: 01 (Communication control)

HINT:

Methods used to verify the cause of the problem are listed in order of probability in the verification column.

Fig 8: Telephone Transceiver And Speaker Relay Chart

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ROM ERROR CHART

21	ROM error	This code is output when a malfunction exists in ROM.	Replace telephone transceiver and speaker relay	-
22	RAM error	This code is output when a malfunction exists in RAM.	Replace telephone transceiver and speaker relay	-

HINT:

*1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
*2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
*3: This code may be stored if the ignition key is turned again after the engine starts.
*4: This code may be stored if the ignition key is held in the START position for one minute or more before returning to the ON position.
*5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.

Logical address: 57 (Telephone information drawing): 68 (TEL)
HINT:

Methods used to verify the cause of the problem are listed in order of probability in the verification column.

Fig 9: Identifying Telephone Information Chart

AUDIO AND REAR A/C CONTROL SW (Physical address: 1C0) [Rr-CONT]
1. Logical address: 01 (Communication control)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  
  Fig 10: Audio And Rear A/C Control SW (Physical Address: 1C0) Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
  - *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
  - *3: This code may be stored if the ignition key is turned again after the engine starts.
  - *4: This code may be stored if the ignition key is held in the START position for one minute or more before returning to the ON position.
  - *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
GATEWAY ECU (Physical address: 1C6) [G/W]
1. Logical address: 01 (Communication control)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  
  Fig 11: Gateway ECU Diagnosis Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  This code is stored 210 seconds after the power supply connector of the master component is disconnected with the ignition switch in the ACC or ON position.
STEREO COMPONENT TUNER (Physical address: 1F0) [RADIO TUNER]
1. Logical address: 01 (Communication control)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  
  Fig 12: Stereo Component Tuner Diagnosis Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
  - *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
  - *3: This code may be stored if the ignition key is turned again after the engine starts.
  - *4: This code may be stored if the ignition key is held in the START position for one minute or more before returning to the ON position.
  - *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
2. Logical address: 60 (Radio)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
Fig 13: Radio Problem Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TELEVISION CAMERA ECU (Physical address: 280) [CAMERA]
1. Logical address: 01 (Communication control)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  
  Fig 14: Television Camera ECU Diagnosis Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
  - *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
  - *3: This code may be stored if the ignition key is turned again after the engine starts.
  - *4: This code may be stored if the ignition key is held in the START position for one minute or more before returning to the ON position.
  - *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
  - Logical address: 5C (Camera)
    HINT:
    
    Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  Fig 15: Camera Diagnosis Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
STEREO COMPONENT AMPLIFIER ASSY (Physical address: 440) [DSP AMP]
1. Logical address: 01 (Communication control)
  HINT:
  
  Methods used to verify the cause of the problem are listed in order of probability in the verification column.
  
  Fig 16: Stereo Component Amplifier Assy Diagnosis Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
  - *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
  - *3: This code may be stored if the ignition key is turned again after the engine starts.
  - *4: This code may be stored if the ignition key is held in the START position for one minute or more before returning to the ON position.
  - *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
THE INSPECTION LIST FOR THE DEVICE INDICATED BY THE SUB CODE
HINT:

Methods used to verify the cause of the problem are listed in order of probability in the verification column.

Fig 17: Device Diagnosis Chart