NAVIGATION SYSTEM (for HDD) > DIAGNOSTIC TROUBLE CODE CHART

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Navigation System 
DTC Code
Detection Item
Trouble Area
See page
B1560
Motor Control Disconnected
1. Display module board power source circuit
2. AVC-LAN circuit between navigation computer sub-assembly and display module board
3. Display module board
4. Navigation computer sub-assembly
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B1563
Remote Touch Disconnected
1. Remote touch power source circuit
2. MOST circuit between stereo component amplifier assembly and remote touch
3. MOST circuit between remote touch and navigation computer sub-assembly
4. Remote touch (remote operation board)
5. Navigation computer sub-assembly
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B1568
Clock Device Disconnected
1. Center cluster module circuit power source circuit
2. AVC-LAN circuit between navigation computer sub-assembly and center cluster module circuit
3. Center cluster module circuit
4. Navigation computer sub-assembly
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B156B
Multi-media Interface ECU Disconnected
1. Multi-media interface ECU assembly power source circuit
2. AVC-LAN circuit between navigation computer sub-assembly and multi-media interface ECU assembly
3. Multi-media interface ECU assembly
4. Navigation computer sub-assembly
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B156E
No Response from Multi-media Interface ECU
1. Multi-media interface ECU assembly power source circuit
2. AVC-LAN circuit between navigation computer sub-assembly and multi-media interface ECU assembly
3. Multi-media interface ECU assembly
4. Navigation computer sub-assembly
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B156F
No Response from Motor Control
1. Display module board power source circuit
2. AVC-LAN circuit between navigation computer sub-assembly and display module board
3. Display module board
4. Navigation computer sub-assembly
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B1581
Remote Touch Initializing Malfunction
Remote touch (remote operation board)
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B1584
Panel Switch Malfunction
1. Multi-display switch
2. Wire harness or connector
3. Display module board
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B1591
No Response from Audio HU
1. Radio receiver assembly power source circuit
2. MOST circuit between navigation computer sub-assembly and radio receiver assembly
3. MOST circuit between radio receiver assembly and stereo component amplifier assembly
4. Radio receiver assembly
5. Navigation computer sub-assembly
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B1593
No Response from Stereo Component Amplifier
1. Stereo component amplifier assembly power source circuit
2. MOST circuit between radio receiver assembly and stereo component amplifier assembly
3. MOST circuit between stereo component amplifier assembly and remote touch
4. Stereo component amplifier assembly
5. Navigation computer sub-assembly
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B1596
No Response from Remote Touch
1. Remote touch power source circuit
2. MOST circuit between stereo component amplifier assembly and remote touch
3. MOST circuit between remote touch and navigation computer sub-assembly
4. Remote touch (remote operation board)
5. Navigation computer sub-assembly
 Click here
B1597
No Response from Display
1. Multi-display power source circuit
2. AVC-LAN circuit between the display module board and multi-media module wire
3. Multi-media module wire
4. Multi-display
5. Display module board
6. Navigation computer sub-assembly
 Click here
B159E
No Response from Clock Device
1. Center cluster module circuit power source circuit
2. AVC-LAN circuit between navigation computer sub-assembly and center cluster module circuit
3. Center cluster module circuit
4. Navigation computer sub-assembly
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B15A0
LAN Master Malfunction
Navigation computer sub-assembly
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B15A6
Display Malfunction
Multi-display
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B15AD
Navigation Processor Malfunction
Navigation computer sub-assembly
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B15AF
Remote Touch Malfunction
Remote touch (remote operation board)
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B15B0
Display Screen Malfunction
1. Multi-display
2. Navigation computer sub-assembly
3. Driving parts used for driven part of multi-display
4. Sensor wire
5. Multi-display controller sub-assembly
6. Display module board
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B15B8
Harddisk Malfunction
Hard disk drive
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B15C0
Short in GPS Antenna
1. Navigation antenna cable
2. Navigation antenna assembly
3. Wire harness
4. Navigation computer sub-assembly
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B15C1
Open in GPS Antenna
1. Navigation antenna cable
2. Navigation antenna assembly
3. Wire harness
4. Navigation computer sub-assembly
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B15C2
Speed Signal Malfunction
1. Combination meter assembly
2. Navigation computer sub-assembly
3. Wire harness or connector
4. Junction block
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B15D0
MOST Communication Malfunction
1. Speaker circuit (for 13 speakers)
2. MOST line check
3. MOST communication line connector
4. MOST communication line
5. Radio receiver assembly
6. Stereo component amplifier assembly
7. Remote touch
8. Navigation computer sub-assembly
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B15D1
Audio HU Disconnected
1. Radio receiver assembly power source circuit
2. MOST circuit between navigation computer sub-assembly and radio receiver assembly
3. MOST circuit between radio receiver assembly and stereo component amplifier assembly
4. Radio receiver assembly
5. Navigation computer sub-assembly
 Click here
B15D3
Stereo Component Amplifier Disconnected
1. Stereo component amplifier assembly power source circuit
2. MOST circuit between radio receiver assembly and stereo component amplifier assembly
3. MOST circuit between stereo component amplifier assembly and remote touch
4. Stereo component amplifier assembly
5. Navigation computer sub-assembly
 Click here
B15D6
Display Disconnected
1. Multi-display power source circuit
2. AVC-LAN circuit between the display module board and multi-media module wire
3. Multi-media module wire
4. Multi-display
5. Display module board
6. Navigation computer sub-assembly
 Click here
B15D8
Monitor Disconnected
1. Parking assist ECU power source circuit
2. AVC-LAN circuit between navigation computer sub-assembly and parking assist ECU
3. Parking assist ECU
4. Navigation computer sub-assembly
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B15E7
Harddisk Reading/Writing Malfunction(Low Temperature)
Hard disk drive
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B15E8
Harddisk Reading/Writing Malfunction(High Temperature)
Hard disk drive
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U0073
Control Module Communication Bus Off
CAN communication system
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U0155
Lost Communication with Combination Meter
CAN communication system
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U0164
Lost Communication with A/C ECU
CAN communication system
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U0293
Lost Communication with HV ECU
CAN communication system
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U1110
Lost Communication with Clearance Warning ECU
CAN communication system
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