Dtc P0532: A/C Refrigerant Pressure Sensor Circuit Low - Suzuki SX4 Service Manual

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1A-136 Engine General Information and Diagnosis:
Step
4
DTC check in TCM
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check TCM for DTC.
Is DTC P0722 detected?

DTC P0532: A/C Refrigerant Pressure Sensor Circuit Low

Wiring Diagram
1
15
14
13
12
11
30
29
28
27
26
44
45
43
42
41
59
60
58
57
56
1. A/C refrigerant pressure sensor
DTC Detecting Condition and Trouble Area
DTC detecting condition
A/C refrigerant pressure sensor signal voltage is less than specified
value.
(1 driving detection logic but MIL does not light up)
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and warm up engine to normal operating temperature.
4) Run engine at idle and turn both A/C switch and heater blower switch ON (turn ON air conditioning) for 3 min. or
more.
5) Check DTC and pending DTC.
Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
"Precautions for DTC Troubleshooting".
Action
2
GRY/RED
RED/BLU
ORN
3
E01
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
40
39 38
37
36
35
34
33
55
54 53
52
51
50
49
48
2. To MAP sensor
Go to "DTC P0722:
Output Speed Sensor
(VSS) Circuit No Signal
in Section 5A".
GRY/RED
C01-14
E01-55
ORN
E01-54
2
1
15
14
13
12
11
17
16
30
29
28
27
26
44
32 31
45
43
42
41
59
47 46
60
58
57
56
3. To other sensors
• A/C refrigerant pressure sensor circuit
• A/C refrigerant pressure sensor
• MAP sensor
• ECM
Yes
Substitute a known-
good ECM and recheck.
4
5V
5V
C01-58
BLK/ORN
C01-15
BLK
C01-30
BLK
E01-31
BLK
C01
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
40
39 38
37
36
35
34
33
55
54 53
52
51
50
49
48
4. ECM
Trouble area
No
S7RW0A1104053
2
1
17
16
32 31
47 46
I6RW0D110044-01

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