Honda ACCORD HYBRID 2005 Service Manual page 1626

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 )
7. Start the engine, and turn on the A/C.
8. Check for DTCs using the HDS or self-diagnostic.
Is DTC B2993 or T indicated?
Y E S — G o t o step 9.
NO—Check for a short to the wire(s) between the
A/C compressor clutch 3P connector female
terminals No. 1 and No. 3 and check the A/C
compressor clutch (see page 21-94) and the
t h e r m a l protector (see page 2 1 - 9 6 ) . •
9. Turn the ignition switch OFF.
10. Disconnect the j u m p e r w i r e .
11. Disconnect audio-HVAC display panel connector A
(22P).
12. Check for continuity between body g r o u n d and
audio-HVAC display panel connector A (22P)
terminals No. 3 and No. 4 individually.
AUDIO-HVAC DISPLAY P A N E L C O N N E C T O R A (22P)
L T G R N
G R N
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16
X
17 18 19 20 21 22
Wire side of f e m a l e t e r m i n a l s
Is there continuity?
YES—Repair any short to body g r o u n d in the
wire(s) between the audio-HVAC display panel and
the A/C compressor. •
NO—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 / i n d i c a t i o n goes
away, replace the original audio-HVAC display
panel. •
DTC B2995 or DTC indicator R: A Problem in
the Auxiliary Electric Water Pump Circuit
1. Clear the DTC w i t h the HDS.
2. Operate the climate control system in several
modes.
3. Check for DTCs using the HDS or self-diagnostic.
Is DTC B2995 or R indicated?
YES—Go to step 4.
NO—Intermittent failure, check for loose wires or
poor connections on the auxiliary electric water
p u m p c i r c u i t . B
4. Check the No. 6 (7.5 A) and the No. 30 (7.5 A) fuses
in the under-dash fuse/relay box.
Are the fuses OK?
Y E S - G o t o step 5.
NO—Replace the fuse(s), and recheck. •
5. W a r m up the engine (until the radiator fan comes
on).
6. Turn the ignition switch OFF, and then ON (II).
7. Set the temperature control on M a x Hot.
Does warm air come out?
Y E S — G o t o step 8.
NO—Repair the heater valve. •
8. Turn the ignition switch OFF.
9. Remove the auxiliary electric water p u m p relay
f r o m the auxiliary under-hood relay box A, and test
it (see page 22-72).
Is the relay OK ?
Y E S — G o t o step 10.
NO—Replace the auxiliary electric water p u m p
relay. •
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