Honda ACCORD HYBRID 2005 Service Manual page 1608

Climate Control
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
8. Check f o r continuity between the No. 13 terminal
and the No. 15 terminal of audio-HVAC display
panel connector A (22P).
AUDIO-HVAC DISPLAY P A N E L C O N N E C T O R A (22P)
1
2 3 4 5
^ > > < ^
6 7 8 9 10
11 12 13
14
15
16
X
17
18 19 20 21 22
ORN
PUR
Wire side of f e m a l e t e r m i n a l s
Is there continuity?
YES—Repair short in the w i r e s between the audio-
HVAC display panel and the sunlight sensor. •
N O — G o t o step 9.
9. Reconnect the sunlight sensor 2P connector.
10. Reconnect audio-HVAC display panel connector A
(22P).
11. Test the sunlight sensor (see page 21-77).
Is the sunlight sensor OK?
DTC B1231 or DTC indicator G: An Open in
the Evaporator Temperature Sensor Circuit
1. Clear the DTC by t u r n i n g the ignition switch OFF,
and then ON (II).
2. Operate the climate control system in several
modes.
3. Check for DTCs using the HDS or self-diagnostic.
Is DTC B1231 or G indicated?
Y E S — G o t o step 4.
NO—Intermittent failure, check for loose wires or
poor connections on the evaporator temperature
sensor circuit. •
4. Turn the ignition switch OFF.
5. Remove the evaporator temperature sensor
(see page 21-78), and test it (see page 21-78).
Is the evaporator temperature sensor OK?
YES — G o t o step 6.
NO—Replace the evaporator temperature
s e n s o r . •
6. Disconnect audio-HVAC display panel connector A
(22P).
YES—Substitute a k n o w n - g o o d audio-HVAC
display panel, and recheck. If the s y m p t o m /
indication goes away, replace the original audio-
HVAC display p a n e l . •
NO—Replace the sunlight sensor (see page 21-77).
21-38