Pioneer YN018GMFI16M2D Service Manual page 119

7) Disconnect following
connection wires and
connectors between PCB
and other components.
P4: (blue), connected to N on IPM.
P2: (red), connected to P on IPM.
P1: (red), connected to + on PFC.
P3: (blue), connected to – on PFC.
RY4: (red), connected to rectifier.
CN34: (2p,white), connected to CN3
on IPM.
CN6/CN22: (blue/blue), connected to
4 way valve.
CN3/CN40: (red/red), connected to
crankcase heating cable.
CN11: (4p, red), connected to CN7 on
PFC.
CN13: T2B-A,B,C,D temp. sensor
(2p/2p/2p/2p, white)
CN33: Tdischarge temp. sensor
(2p, white)
CN8: T3/T4/T3/T4 temp. sensor
(2p/2p, white)
CN9: High and low pressure switch
(2p/2p, white)
CN18/CN19/CN20/CN21: electronic
expansive valve A,B,C,D
(6p/6p/6p/6p,red/red/red/red)
CN27/CN28/CN29/CN30: S-A,B,C,D
(3p/3p/3p/3p,white/white/white/white)
CN1-CN2: (red-black), connected to
power terminal
P-1/P-2: (yellow-green/yellow-green),
P4
P2
P1
P3
CN6/CN22 CN3/CN40
CN8 CN33
CN9 CN11
CN18/CN19/CN20/CN21
CN27/CN28/CN29/CN30
RY4
CN34
CN13