COMPONENT PARTS
Component Parts Location
No. |
Component |
Function |
1 | Rod antenna | Refer to AV-14, "Rod Antenna, Antenna Amp., Satellite Antenna and Antenna Feeder". |
2 | Antenna base (antenna amp. and satellite antenna) | |
3 | Rear door speaker RH | Refer to AV-12, "Speakers". |
4 | Front door speaker RH | |
5 | Front door speaker LH | |
6 | Rear door speaker LH | |
7 | Microphone | Refer to AV-13, "Microphone". |
8 | Front tweeter LH | Refer to AV-12, "Speakers". |
9 | Steering angle sensor | Refer to AV-14, "Steering Angle Sensor". |
10 | Steering switches | Refer to AV-13, "Steering Switches". |
11 | USB interface and AUX in jack | Refer to AV-13, "USB Interface and AUX in Jack". |
12 | Audio unit | Refer to AV-12, "Audio Unit". |
13 | Front tweeter RH | Refer to AV-12, "Speakers". |
14 | Rear view camera | Refer to AV-13, "Rear View Camera". |
Audio Unit
Description
Speakers
FRONT TWEETER
FRONT DOOR SPEAKER
REAR DOOR SPEAKER
USB Interface and AUX in Jack
Steering Switches
Microphone
Rear View Camera
Steering Angle Sensor
Rod Antenna, Antenna Amp., Satellite Antenna and Antenna Feeder
RADIO ANTENNA AND SATELLITE ANTENNA
AM/FM radio rod antenna, antenna base and satellite antenna are located on the rear of the roof. The antenna amp. and satellite antenna are built into the antenna base.
ANTENNA FEEDER LAYOUT
SYSTEM
System Description
SYSTEM DIAGRAM
AUDIO SYSTEM
The audio system consists of the following components
When the audio system is on, AM/FM signals received by the rod antenna are amplified by the antenna amp.
and sent to the audio unit. The audio unit then sends audio signals to the front tweeters, front door speakers and rear door speakers.
Refer to Owner's Manual for audio system operating instructions.
HANDS-FREE PHONE SYSTEM
When A Call Is Originated
When Receiving A Call
SPEED SENSITIVE VOLUME SYSTEM
Volume level of this system goes up and down automatically in proportion to the vehicle speed. The control level can be selected by the customer. Refer to Owner's Manual for operating instructions.
REAR VIEW MONITOR FUNCTION
Camera Image Operation Principle
DIAGNOSIS SYSTEM (AUDIO UNIT)
Description
The audio unit on board diagnosis performs the functions listed in the table below:
On Board Diagnosis Function
METHOD OF STARTING
SELF DIAGNOSIS MODE
Audio Unit Self Diagnosis
The unit names and the connection lines are color coded according to the diagnostic results.
1: Control unit (audio unit) is displayed in red.
Audio Unit Self Diagnosis Results
Audio Unit Confirmation/Adjustment
Display Diagnosis
Vehicle Signals
A comparison check can be made of each actual vehicle signal and the signals recognized by the system.
Speaker Test
Select Speaker Test to display the Speaker Diagnosis screen. Press Start to generate a test tone in a speaker. Press Start again to generate a test tone in the next speaker. Press End to stop the test tones.
Error History
The self diagnosis results are judged depending on whether any error occurs from when Self Diagnosis is selected until the self diagnosis results are displayed.
However, the diagnosis results are judged normal if an error has occurred before the ignition switch is turned ON and then no error has occurred until the self diagnosis start. Check the Error Record to detect any error that may have occurred before the self diagnosis start because of this situation.
The frequency of occurrence is displayed in a count up manner. The actual count up method differs depending on the error item.
Count up method A
Count up method B
Error item
Some error items may be displayed simultaneously according to the cause. If some error items are displayed simultaneously, the detection of the cause can be performed by the combination of display items
Camera System
This mode is used to adjust the guide line display position of the rear view camera.
AV COMM Diagnosis
The upper limit of the counter is 39.
NOTE: “???” indicates UNKWN.
Delete Unit Connection Log
Deletes any unit connection records and error records from the audio unit memory (clears the records of the unit that has been removed).
Version Information
Displays audio unit software and hardware version numbers.
Initialize Settings
Deletes data stored from the audio unit.
Corrosion protection
Most common factors contributing to vehicle
corrosion
Most vehicle corrosion is caused by:
the accumulation of moisture-retaining dirt
and debris in body panel sections, cavities,
and other areas
damage to paint and other protective coatings
caused by gravel and stone chip ...
Washer motor circuit
Diagnosis Procedure
Regarding Wiring Diagram information, refer to WW-22, "Wiring Diagram".
1. CHECK FRONT AND REAR WASHER MOTOR FUSE
Turn the ignition switch OFF.
Check that the following fuse is not blown.
Is the fuse blown?
YES >> Replace the blown fuse ...
C1729 vehicle speed signal
DTC Logic
NOTE:
The Signal Tech II Tool [- (J-50190)] can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTC ...