Honda 2004 Odyssey Service Manual page 1353

ABS/TCS Components
DTC Troubleshooting (cont'd)
6. With an analog voltmeter set to the 10 V or similar
range, measure the voltage between the PCM
connector E (20P) terminal No. 17 and body ground.
PCM CONNECTOR E (20P)
Wire side of female terminals
5 V
About. 4 V
0 V
Is there about 4 V ?
YES Go to step 7.
NO Check for loose PCM connectors. If necessary,
substitute a known-good PCM, and recheck.
7. With an analog voltmeter set to the 10 V or similar
range, measure the voltage between the ABS/TCS
control unit connector B (16P) terminal No. 7 and
body ground.
ABS/TCS CONTROL UNIT CONNECTOR B (16P)
Wire side of female terminals
5 V
About. 4 V
0 V
Is there about 4 V ?
YES Check for loose ABS/TCS control unit
connectors. If necessary, substitute a known-good
ABS/TCS control unit, and recheck.
NO Repair open in the wire between the PCM and
the ABS/TCS control unit.
19-152 19-152
ATSFTP (LT GRN)
ATSFTP
(LT GRN)
TCS DTC 81: Continuous TCS Operation
NOTE: If the MIL or ABS indicator is ON, troubleshoot
the PGM-FI or ABS first.
1. Clear the DTC (see step 1 on page 19-83).
2. Test-drive the vehicle.
Does the T CS indicator come on, and is DT C 81
indicated?
YES Replace the ABS/TCS control unit.
NO Intermittent failure; the vehicle is OK at this
time.