Honda ACCORD HYBRID 2005 Service Manual page 1603

BD
DTC B1226 or DTC indicator B: A Short in the
In-car 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 B1226 or B indicated?
Y E S — G o t o step 4.
NO—Intermittent failure. •
4. Turn the ignition switch OFF.
5. Remove the in-car temperature sensor (see page
21-75), and test it (see page 21-75).
Is the in-car temperature sensor OK?
Y E S — G o t o step 6.
NO—Replace the in-car temperature sensor. •
6. Disconnect audio-HVAC display panel connector A
(22P).
7. Check for continuity between the No. 11 terminal of
audio-HVAC display panel connector A (22P) and
body g r o u n d .
AUDIO-HVAC DISPLAY PANEL C O N N E C T O R A (22P)
SZZ
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16
X
17 18 19 20 21 22
G R Y
W i r e side of female t e r m i n a l s
Is there continuity?
YES—Repair short to body g r o u n d in the w i r e
between the audio-HVAC display panel and the
in-car temperature sensor. •
NO—Go to step 8.
8. Check for continuity between the No. 11 t e r m i n a l
and the No. 15 terminal of audio-HVAC display
panel connector A (22P).
AUDIO-HVAC DISPLAY PANEL C O N N E C T O R A (22P)
5ZL
1 2 3 4 5
6
7 8 9 10
11 12 13 14 15 16
V l 7
18 19 20 21 22
/
PUR
W i r e side of female 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 in-car
temperature sensor. •
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. •
21-33