Honda ACCORD HYBRID 2005 Service Manual page 1621

2 1 . Reconnect audio-HVAC display panel connector
B (16P).
22. Test the power transistor (see page 21-80).
Is the power transistor OK?
YES—Check for loose w i r e or poor connections at
audio-HVAC display panel connector B (16P) and at
the p o w e r transistor 4P connector. If the
connections are g o o d , 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. •
NO—Replace the power transistor. •
23. Disconnect the j u m p e r wire.
24. Disconnect the blower motor 2P connector.
25. Measure the voltage between the No. 1 terminal of
the blower m o t o r 2P connector and body g r o u n d .
B L O W E R MOTOR 2P C O N N E C T O R
W H T / B L U
Wire side of female t e r m i n a l s
Is there battery voltage?
YES —Replace the blower motor. •
NO—Go to step 26.
26. Turn the ignition switch OFF.
27. Remove the blower motor relay f r o m the under-
hood fuse/relay box, and test it (see page 22-72).
Is the relay OK ?
Y E S — G o t o step 28.
NO—Replace the blower m o t o r relay. •
28. Measure the voltage between the No. 2 terminal of
the blower m o t o r relay 4P socket and body g r o u n d .
B L O W E R MOTOR R E L A Y 4P S O C K E T
r
1
2
4 3
v
Is there battery voltage?
Y E S — G o t o step 29.
NO—Replace the under-hood fuse/relay box. •
29. T u r n the ignition switch ON (II).
30. Measure the voltage between the No. 4 t e r m i n a l of
the blower motor relay 4P socket and body g r o u n d .
B L O W E R MOTOR R E L A Y 4P S O C K E T
r
1
2
4 3
J
B L K / Y E L
Is there battery voltage?
Y E S — G o t o step 3 1 .
NO—Repair open in the w i r e between the No. 30
fuse in the under-dash fuse/relay box and the
blower m o t o r relay. •
(cont'd)
21-51