Page 1867 - Foton Workshop Manual - Aumark (BJ1099)

CIRCUIT - SYSTEM SCHEMATIC DIAGRAM 61-77

System description:
Ignition switch position power
The current is output from the fuse F22 in the internal fuse box to the pin 4 of the audio
device to supply electric power to the audio device and put it into operation. 61
Battery power
The current is output from the fuse F2 in the engine compartment fuse box, and after
passing through the fuse F3 in the internal fuse box, to reach the pin 7 of the audio device
to supply electric power to the audio device and put it into operation.
Reversing monitor
With the ignition switch located at “ON”, when the reverse gear is engaged, the
reversing switch will provide electric power to the pin 1 of the reversing camera connector
M01, and meanwhile, the pin 2 is earthed to activate the reversing camera.
With the reverse gear engaged, the reversing switch will also transmit a reversing signal
to the pin 2 of the audio control unit connector C66, and the audio control unit will be
switched to the reversing image. The pins 3 and 4 of the reversing camera connector
M01 are connected to pins 4 and 1 of the audio control unit connector C68 to provide the
vehicle rear video signal.
Repair prompt
• C66 and C67 audio device
C66 (4) - earthing: When the ignition switch is located at ACC/ON, the voltage is about 12V.
C66 (7) - GND: The voltage is about 12V.
C66 (8) - GND: Always connected.
• G05 Right front door loudspeaker
1 - 2: the resistance is about 4Ω
• H02 Right rear door loudspeaker
1 - 2: the resistance is about 4Ω
• I02 Left rear door loudspeaker
1 - 2: the resistance is about 4Ω
• J05 Left front door loudspeaker
1 - 2: the resistance is about 4Ω

：Parts Location

No. Reference harness No. Reference harness

A40 Engine compartment wiring harness G05 Right front door wiring harness

C05 Front wall instrument wiring harness H02 Right rear door wiring harness
C66 Front wall instrument wiring harness I02 Left rear door wiring harness
C67 Front wall instrument wiring harness J05 Left front door wiring harness

：Connectors Among The Harness

Page 1867