Honda ACCORD HYBRID 2005 Service Manual page 568

Idle Control System
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC P0532: A/C Pressure Sensor Circuit Low
Voltage
1. Turn the ignition switch ON (li).
2. Check the A/C PRESSURE SENSOR in the DATA
LIST w i t h the HDS.
Is there about 0.24 V or less?
Y E S — G o t o step 3.
NO—Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the A/C pressure sensor and the P C M . B
3. Turn the ignition switch OFF.
4. Disconnect the A/C pressure sensor 3P connector.
5. Turn the ignition switch ON (II).
6. Check the A/C PRESSURE SENSOR in the DATA
LIST w i t h the HDS.
Is there about 0.24 V or less?
Y E S — G o t o step 9.
N O — G o t o step 7.
7. Measure voltage between A/C pressure sensor 3P
connector terminals No. 1 and No. 3.
A / C P R E S S U R E S E N S O R 3P C O N N E C T O R
V C C 2 (YEL)
H2H
S G 2 (BLK)
Wire side of female terminals
Is there about 5 V?
Y E S — G o t o step 13.
N O — G o t o step 8.
8. Measure voltage between PCM connector
terminals C12 and C13.
PCM C O N N E C T O R C (22P)
16 17
10 11
19
12
2 0
S G 2 (GRN/YEL)
13 14
21
15
22
V C C 2 ( Y E L / B L U )
Wire side of f e m a l e t e r m i n a l s
Is there about 5 V?
YES—Repair open in the w i r e between the PCM
(C13) and the A/C pressure sensor, then go to step
15.
N O — G o t o step 20.
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