Honda 2004 Odyssey Service Manual page 473

PGM-FI System
DTC Troubleshooting (cont'd)
6. Check for continuity between ABS/TCS control unit
16P connector terminal No. 1 and PCM connector
terminal E16.
PCM CONNECTOR E (20P)
ABS/TCS CONTROL UNIT 16P
CONNECTOR
FPTDR
(PNK/BLK)
Wire side of female terminals
Is there continuity?
YES Go to step 7.
NO Repair open in the wire between the ABS/TCS
control unit and the PCM (E16).
7. Reconnect PCM connector E (20P).
8. Connect PCM connector terminals E16 and C28
with a jumper wire.
PCM CONNECTOR E (20P)
JUMPER
WIRE
Wire side of female terminals
9. Reset the PCM (see page 11-4).
10. Start the engine, and wait 60 seconds.
Is DT C P167 6 indicated?
YES Substitute a known-good ABS/TCS control
unit and recheck. If the symptom/indication goes
away, replace the original ABS/TCS control unit.
NO Substitute a known-good PCM and recheck
(see page 11-5). If the symptom/indication goes
away, replace the original PCM.
11-164 11-164
FPTDR
(PNK/BLK)
FPTDR
(PNK/BLK)
C (31P)
VCC2
(YEL/BLU)
DTC P1678: FPTDR Signal Line Failure
1. Reset the PCM (see page 11-4).
2. Start the engine, and wait 60 seconds.
Is DT C P167 8 indicated?
YES Go to step 3.
NO Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the ABS/TCS control unit and the PCM.
3. Turn the ignition switch OFF.
4. Disconnect the ABS/TCS control unit 16P connector.
5. Start the engine, and wait 10 seconds.
Is DT C P167 8 indicated?
YES Substitute a known-good ABS/TCS control
unit and recheck. If the symptom/indication goes
away, replace the original ABS/TCS control unit.
NO Substitute a known-good PCM and recheck
(see page 11-5). If the symptom/indication goes
away, replace the original PCM.