Honda 2004 Odyssey, Service Manual

Page: 1356 / 2459

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19-155
TCS Indicator Circuit Troubleshooting
GAUGE ASSEMBLY CONNECTOR B (22P)
TCS (RED/WHT)
JUMPER WIRE
ABS/TCS CONTROL UNIT CONNECTOR B (16P)
TCS2
(RED/WHT) JUMPER
WIRE
ABS/TCS CONTROL UNIT CONNECTOR C (12P)
JUMPER
WIRE
LG (BRN/YEL)
(BRN/BLK*)
*’99-01 models
1. Turn the ignition switch ON (II), and watch the TCS
indicator.
If the TCS indicator comes on and goes off, it’s
OK. If the TCS indicator stays on, go to step 7.
Go to step 2.
2. Turn the ignition switch OFF, then ON (II) again.
Go to step 3.
Repair open in the brake system indicator
circuit.
• Blown BACKUP LIGHT (7.5A) fuse.
• Open in the wire between the BACKUP LIGHT
(7.5A) fuse and the gauge assembly.
• Open circuit inside the fuse box.
3. Check the TCS indicator bulb in the gauge
assembly.
Go to step 4.
Replace the TCS indicator bulb.
4. Connect the gauge assembly connector B (22P)
terminal No. 13 and body ground with a jumper
wire.
Go to step 5.
Replace the printed circuit board in the gauge
assembly.
5. Remove the jumper wire at the gauge assembly,
and connect the ABS/TCS control unit connector
B (16P) terminal No. 16 and body ground with a
jumper wire.
Go to step 6.
Repair open in the wire between the gauge
assembly and the ABS/TCS control unit.
6. Connect the ABS/TCS control unit connector
C (12P) terminal No. 2 and body ground with a
jumper wire.
Repair open in the wire between the ABS/
TCS control unit and body ground (G101).
Check for loose ABS/TCS control unit
connectors. If necessary, substitute a known-good
ABS/TCS control unit, and recheck.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Does the T CS indicator come on?
Does the br ake system indicator come on?
Is the bulb OK ?
Does the T CS indicator come on?
Does the T CS indicator come on?
Does the T CS indicator come on?
03/07/29 09:58:23 61S0X050_190_0155