ON-BOARD DIAGNOSTIC SYSTEM FUNCTION

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Self-diagnostic Function

Malfunction detection function

•  The malfunction detection section detects malfunctions occurring in the system.

Memory function

•  The memory function detects a malfunction, changes it to a DTC, and stores it in the memory. The memory can store a maximum of three DTCs. If another malfunction is detected when three DTCs are already stored, the memory function clears the oldest DTC and stores the new one.

•  Once a DTC is stored, it can only be cleared by the designated procedure; not by turning the ignition switch to the LOCK position or disconnecting the negative battery cable. The procedure is mentioned in the Service Section.

Display function

•  When the self-diagnostic function is activated, the LCD displays the DTC stored in the memory.

•  The DTC consists of the following codes and numbers:

―  Part number (indicates malfunctioning part)

―  Error code (indicates malfunction description)

―  Supplier code (indicates manufacturer)

•  Refer to the Service Section for the display method.

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Supplier code	Supplier name
01	SANYO Automedia
02	Panasonic
03	Clarion
04	Pioneer

Parts number	Parts name
00	Cassette deck
03	CD player
05	CD changer (external type)
06	CD changer
07	MD player
09	Base unit
10	MP3 applicable CD player
21	Center panel

Error code	Malfunction description
01	Internal mechanism error
02	Servo mechanism error
03	Mechanism stuck
04	Tape malfunction
07	Disc reading error
08	Blank media
10	BUS line (communication line) error
12	CAN line (communication line) error
17	Incorrect combination
18	Incorrect combination
19	Communication line
20	Insufficient power supply
22	Tuner error

Screen display		Malfunction location
DTC	Output signal
00: Er01	—	Cassette deck
00: Er03	—	Cassette deck
00: Er04	CHECK TAPE	Cassette tape
00: Er10	—	Cassette deck communication circuit system
03: Er01	—	CD player
03: Er02	CHECK CD	CD player
03: Er07	CHECK CD	CD player
03: Er10	—	CD player communication circuit system
05: Er01	—	CD changer (external type) system
05: Er07	CHECK CD	CD changer (external type) system
05: Er10	—	CD changer (external type) communication circuit system
06: Er01	—	CD changer
06: Er02	CHECK CD	CD changer
06: Er07	CHECK CD	CD changer
06: Er10	—	CD changer communication circuit system
07: Er01	—	MD player
07: Er02	CHECK MD	MD player
07: Er07	CHECK MD	MD player
07: Er08	—	MD
07: Er10	—	MD player communication circuit system
09: Er20	—	Power supply circuit of base unit
09: Er22	—	Base unit (peripheral circuit for tuner)
10: Er01	—	MP3 applicable CD player
10: Er02	CHECK CD	MP3 applicable CD player
10: Er07	CHECK CD	MP3 applicable CD player
16: Er12	—	CAN system
21: Er17	—	Center panel system
21: Er18	—	Center panel system
21: Er19	—	Center panel system communication circuit system
no Err	—	No stored DTCs

Diagnostic Assist Function

LCD

•  The diagnostic assist function illuminates all characters in the LCD to check for truncated or faint characters.

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Switch

•  The diagnostic assist function sounds the buzzer when the switches are pressed to check the switches.

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Speaker

•  The diagnostic assist function outputs sound to the speakers in the following order to determine the condition of the speakers and wiring harness between the base unit and each speaker.

1.  Front passenger-side door speaker

2.  Front driver-side door speaker

3.  Right rear door speaker

4.  Left rear door speaker

Radio

•  The diagnostic assist function displays the radio reception condition in 10 levels (0-9) to assist in determining the condition of the antenna, antenna feeders, and base unit (tuner).

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