FixVault

Layout And Pin Assignment For IHKA High

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2008 BMW 760Li, and 2007 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Control Panel IHKA High
G00431728Courtesy of BMW OF NORTH AMERICA, INC.
PIN ASSIGNMENT FOR IHKA HIGH CONNECTOR X13765, 2-PIN BLACK

Pin Type Description
1 V Terminal 30, power supply
2 M Terminal 31, earth
M = Earth
V = Supply
For current specifications regarding pin assignments, please refer to BMW diagnosis system
PIN ASSIGNMENT FOR IHKA HIGH CONNECTOR X01130, 12-PIN BLACK

Pin Type Description
1 E Signal from left-hand heating system heat exchanger sensor
2 E Signal from right-hand heating system heat exchanger sensor
3 E Signal from evaporator temperature sensor
4 - -
5 - -
6 E/A Earth point for sensors
7 A PWM signal to electric auxiliary heater
8 - -
9 - -
10 V LIN bus, supply
11 E/A LIN bus, data
12 M LIN bus, earth
A = Output
E = Input
E/A = Input and output
M = Earth
V = Supply
For current specifications regarding pin assignments, please refer to BMW diagnosis system
PIN ASSIGNMENT FOR IHKA HIGH CONNECTOR X1527, 26-PIN BLUE

Pin Type Description
1 E/A LIN bus, data
2 V AUC sensor, supply
3 E Signal from AUC sensor
4 V Condensation sensor, power supply
5 E Signal from condensation sensor
6 E/A CAN-bus high
7 E/A CAN-bus low
8 V Refrigerant pressure sensor, supply
9 E Signal from refrigerant pressure sensor
10 V Solar sensor, power supply
11 E Solar sensor, left signal (E63/E64 right signal)
12 E Solar sensor, right signal (E63/E64 left signal)
13 M Solar sensor, earth
14 E PWM signal from DDE for electric auxiliary heater
15 A Control valve in A/C compressor
16 E Dual water valve, left
17 E Dual water valve, right
18 A Auxiliary water pump
19 A Relay for heated rear window
20 A Heated washer jets
21 M Refrigerant pressure sensor, earth
22 V Rear stratification flap, power supply (not E63)
23 E Signal from rear stratification flap (not E63)
24 E Signal from ventilation temperature sensor
25 M Earth point for AUC, ventilation temperature and condensation sensor
26 M Rear stratification control
A = Output
E = Input
E/A = Input and output
M = Earth
V = Supply
For current specifications regarding pin assignments, please refer to BMW diagnosis system