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2KZ/2K0
2-3-24
Connector
Pin
Signal
I/O
Voltage
Description
YC1
1
IH_NEUTRAL
I
220 V AC
AC power input
Connected to
power source
PWB
2
IH_LIVE
I
220 V AC
AC power input
YC3
1
TH2
-
Analog
Low side IGBT case temperature
Connected to
IH control
PWB
2
TH1
-
Analog
High side IGBT case temperature
3
AC_CURREN
T
-
Analog
AC input current
4
AC_VOLTAGE
-
Analog
AC input voltage
5
OUT_CURRE
NT
-
Analog
Output current
6
IH_REM
-
0/5 V DC
IH: On/off
7
ROTATION
-
0/5 V DC
TCBM control signal
8
RXD
-
0/5 V DC (pulse)
Serial communication data signal input
9
TXD
-
0/5 V DC (pulse)
Serial communication data signal output
10 S1
-
0/5 V DC
For soft distinction
11 IGBT1
-
0/5 V DC
gate output
12 IGBT2
-
0/5 V DC
gate output
13 S2
-
0/5 V DC
For soft distinction
14 ERROR
-
0/5 V DC
Error signal
15 5V
-
5 V DC
5 V DC power output to IHCPWB
16 GND
-
-
Ground
YC4
1
SGND
-
-
Ground
Connected to
engine PWB
2
3.3V4
I
3.3 V DC
3.3 V DC power input from EPWB
3
IH_REM
I
0/3.3 V DC
IH: On/off
4
ROTATION
I
0/3.3 V DC
TCBM control signal
5
RXD
I
0/3.3 V DC (pulse) Serial communication data signal input
6
TXD
O
0/3.3 V DC (pulse) Serial communication data signal output
YC6
1
+15V-1
O
15 V DC
Control power supply
Connected to
thermostat
2
+15V-2
I
15 V DC
Gate drive power supply
YC8
1
24VIL
I
24 V DC
24 V DC power input from EPWB
Connected to
engine PWB
2
RELAY
I
0/3.3 V DC
RSW: On/Off
3
PGND
-
-
Ground
Service Manual Y113010-4