Suzuki 2006 SX4, Service Manual

Page: 150 / 1478

1A-106 Engine General Information and Diagnosis:
DTC P0532 / P0533: A/C Refrigerant Pressure Sensor Circuit Low / High
S6RW0C1104053
Wiring Diagram
4 Brake switch signal circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Check for proper connection of each switch circuit
terminal to ECM connector.
3) If connections are OK, check that brake switch circuit is
as follows.
• Wiring harness resistance of each “Control circuit of
brake pedal switch” and “Control circuit of brake light
switch” is less than 1
Ω
.
• Insulation resistance of wire harness is infinity
between “Control circuit of brake pedal switch” or
“Control circuit of brake light switch” and vehicle body
ground.
• Insulation resistance of wire harness is infinity
between “Control circuit of brake pedal switch” and
“Control circuit of brake light switch”.
• Circuit voltage between “Control circuit of brake pedal
switch” or “Control circuit of brake light switch” and
vehicle body ground is 0 V with ignition switch turned
ON.
Are they in good condition?
Substitute a known-
good ECM and recheck. Repair or replace
defective wire.
Step Action Yes No
E01 C01
3 4
18 19
5 6 7 10 11
17 20
47 46 49 50 51
21 22
52
16 25
9
24
14
29
55 57 54 53 59 60 58
2
26 27 28
15
30
56 48
32 31 34 35 36 37 40 42 39 38 44 45 43 41 33
1 12 13
23
8 3 4
18 19
5 6 7 10 11
17 20
47 46 49 50 51
21 22
52
16 25
9
24
14
29
55 57 54 53 59 60 58
2
26 27 28
15
30
56 48
32 31 34 35 36 37 40 42 39 38 44 45 43 41 33
1 12 13
23
8
2
1
3
GRY/RED
ORN
GRY/RED
ORN
5V
5V
C01-14
C01-12
C01-36
RED/BLU
C01-15
C01-29
C01-48
BLK
C01-58
C01-30 BLK
BLK
BLK/ORN
BLK/ORN
A1
A2
A3
I6RW0C110017-03
A1: A/C refrigerant pressure sensor power supply circuit 1. A/C refrigerant pressure sensor
A2: A/C refrigerant pressure sensor signal circuit 2. ECM
A3: A/C refrigerant pressure sensor ground circuit 3. To other sensor