Honda ACCORD HYBRID 2005 Service Manual page 1769

• BODY •
T r o u b l e s h o o t i n g - B - C A N S y s t e m D i a g n o s i s T e s t M o d e C
NOTE:
• Perform this diagnosis if a c o m p o n e n t that is
controlled by the B-CAN system does not stop or
does not turn off.
• If the c o m p o n e n t does not turn O N , go to B-CAN
System Diagnosis Test Mode D.
• See the B-CAN system unit input/output index for a
list of input and output devices and the control units
that monitor the input and controls the output devices
(see page 22-82).
• Always cycle the ignition switch w i t h i n 3 seconds
w h e n prompted in the DTC t r o u b l e s h o o t i n g
procedures.
1. Check for DTCs by selecting the TEST MODE MENU
f r o m the Honda Diagnostic System (HDS).
Are any DTCs indicated?
YES—Go to B-CAN System Diagnosis Test
Mode A . I
N O — G o t o step 2.
2. Turn OFF the switch that controls the
malfunctioning c o m p o n e n t .
5. Check the relay if applicable, then check for a short
in the w i r e between the relay and the component,
relay and control unit or the c o m p o n e n t and control
unit.
Are the relay and the wire harness OK?
YES—Replace the control unit that controls the
c o m p o n e n t that w i l l not turn OFF.B
NO—Replace the relay or repair the w i r e
h a r n e s s . •
6. Check the switch, then check for a short in the w i r e
between the switch and the control unit that
monitors the switch.
Is the switch and wire harness OK?
YES—Replace the control unit that monitors the
switch. •
NO—Replace the switch or repair the w i r e
harness. •
3. Select DATA LIST f r o m the TEST MODE M E N U ,
and check the input of the switch that controls the
component.
Does the tester indicate the switch is OFF?
Y E S — G o t o step 4.
NO—Go to step 6.
4. In the DATA LIST of, check the output signal of the
malfunctioning component.
Is the output signal OFF?
Y E S — G o t o step 5.
NO—Replace the control unit that controls the
device that w i l l not turn OFF (see page 22-82). •
22-87