Honda Accord 2008 Manual page 2722

07/11/02 10:07:07 61TA0000_230_0278
Control Unit Input Test/Replacement
1. Remove the driver's dashboard lower cover (see page 20-152).
2. Remove the HFL control unit screws, then disconnect the 28P connector (A) from the HandsFreeLink control unit (B).
＊０１
3. Inspect the connector and socket terminals for a good pinfit to be sure they are all making good contact.
• If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
• If the terminals look OK, go to step 4.
4. Reconnect the connector, and make these input tests at the connector.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 5.
Cavity
1
15
16
5. Disconnect the 28P connector again, and make this input test at the connector.
• If the test indicates a problem, find and correct the cause, then recheck the system.
• If the input test proves OK, the HandsFreeLink control unit is faulty, replace it.
Cavity
17
18
ＴＡ０８ＡＮ７Ｊ１４２３３９３０５５１ＦＤＡＴ００
B
Wire Test condition
BLK Under all conditions
WHT Under all conditions
PUR Ignition switch in ACC (I) or
ON (II)
Wire Test condition
BLU Under all conditions
Passenger's under-dash fuse/
relay box connector A (38P)
disconnected
PNK Under all conditions
Passenger's under-dash fuse/
relay box connector A (38P)
disconnected
A
BLK
PUR PNK
WHT
BLU
Test: Desired result
Measure the voltage to ground:
There should be less than 0.5 V.
Measure the voltage to ground:
There should be battery voltage.
Measure the voltage to ground:
There should be battery voltage.
Test: Desired result
Check for continuity between No. 17
terminal and the passenger's under-
dash fuse/relay box connector A (38P)
No. 29 terminal:
There should be continuity.
Check for continuity to ground:
There should be no continuity.
Check for continuity between No. 18
terminal and the passenger's under-
dash fuse/relay box connector A (38P)
No. 11 terminal:
There should be continuity.
Check for continuity to ground:
There should be no continuity.
Wire side of
female terminals
Possible cause if result is not obtained
• Poor ground (G401)
• An open in the wire
• Blown No. 15 (10 A) fuse in the
under-hood fuse/relay box
• An open in the wire
• Blown No. 18 (7.5 A) fuse in the
driver's under-dash fuse/relay box
• An open in the wire
Possible cause if result is not obtained
An open in the wire
Short to ground
An open in the wire
Short to ground
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