Honda ACCORD HYBRID 2005 Service Manual page 449

D L C C i r c u i t T r o u b l e s h o o t i n g
NOTE:
• If the PCM does not c o m m u n i c a t e w i t h the HDS, do
this troubleshooting procedure.
• Check that MIL circuit is n o r m a l , then do this
troubleshooting.
1. Measure voltage between DLC terminal No. 16 and
body ground.
DATA LINK C O N N E C T O R (DLC)
Y
/
4 5 7
/ }
\ 9
/
12 14
/
16/
+ B (WHT/GRN)
Terminal side of female t e r m i n a l s
Is there battery voltage?
Y E S — G o t o step 2.
NO—Repair open in the w i r e between DLC terminal
No. 16 and the No. 8 Fl ECU (PCM) (15 A) fuse in the
under-hood fuse/relay b o x . B
2. Measure voltage between DLC terminals No. 4 and
No. 16.
DATA LINK C O N N E C T O R (DLC)
GND (BLK)
Y
/
4 5 7
\ 9
/
12
L_ _ i
14 1 6 /
+ B (WHT/GRN)
Terminal side of female t e r m i n a l s
Is there battery voltage?
Y E S — G o t o step 3.
NO—Repair open in the w i r e between DLC terminal
No. 4 and body ground ( G 5 0 U . B
3. Measure voltage between DLC terminals No. 5 and
No. 16.
DATA LINK C O N N E C T O R (DLC)
GND (BLK)
Y
/
4 5
7
/)
\ 9
A 12 14
/
16/
+ B (WHT/GRN)
T e r m i n a l side of female terminals
Is there battery voltage?
YES—Go to step 4.
NO—Repair open in the w i r e between DLC t e r m i n a l
No. 5 and body ground ( G 5 0 D . B
4. Turn the ignition switch ON (II).
5. Measure voltage between DLC terminals No. 5 and
No. 7.
DATA LINK C O N N E C T O R (DLC)
^S>1
GND
(BLK)
K-LINE
(BLU)
Y
/
4 5 7
\ 9
/
12
14
/
16/
T e r m i n a l side of female t e r m i n a l s
Is there 8.5 V or more?
Y E S — G o t o step 11.
N O — G o t o step 6.
6. Turn the ignition switch OFF.
7. J u m p the SCS line w i t h the HDS.
(cont'd)
11-209