Aire acondicionado M54
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Transcript of Aire acondicionado M54
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Conversion from IHKR (integrated heater and air conditioner control)
to IHKA (automatic heating and air conditioning)
BMW 3 Series (E46)
BMW Parts and AccessoriesInstallation Instructions
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Contents
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Important notes
Safety instructions
"
Assembly instructions
Target Group
Required tools and auxiliary materials
!
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1. Preliminary work
TIS AW no.
The following components should be disassembled first:
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2. Connection overview IHKA and AUC wiring harness
Item Designation SignalCable colour/
cross-sectionAnschlussort im Fahrzeug
Code desig.
plug-in place
A
B
B1
B2B3B4B5
A5
A4A12
A6
A9A8
A10
A1
A2
A3
A7A11
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"
2
1
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"
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4. Install and connect IHKA wiring harness
"
Item Code designation Connection point
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A6
A11
A6
X711
A11
X18346
A6
A11
"
X816
"
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5. Install and connect AUC sensor
Only vehicles with 4 or 6-cylinder petrol engine
X3211
Only vehicles with 4 or 6-cylinder diesel engine
X3211
All vehicles
B2
B5
X610
2
31 X3211
2
1
X3211
3
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6. Finalising operations
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7. Circuit diagram IHKA wiring harness
X 1 8 3 4 1
X 7 7 1
X 7 7 2
X 6 7 1
X
8 1 6
A 1 1
B 1 4
B 1 1
N 2
M 3 8
M 3 0
3
4
1
V E D F
F U E -
2
0 . 5 G R
0 . 5 G N
3
4
2
2
W T L
F U E -
1
2
1
0 . 5 G N
0 . 5 G N G R
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Key
Cable colours
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8. Circuit diagram AUC wiring harness
B414
A11
X3211
X610
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Key
Cable colours