Honda Odyssey 2004. Manual — part 317
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13
14
15
16
YES
NO
YES
NO
YES
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YES
NO
YES
NO
19-74
ABS Components
ABS Indicator Circuit Troubleshooting (cont’d)
ABS CONTROL UNIT CONNECTOR A (22P)
JUMPER
WIRE
GND3 (BLK)
ABS CONTROL UNIT CONNECTOR A (22P)
IG2 (YEL/BLK)
ABS CONTROL UNIT CONNECTOR B (12P)
WALP (BLU/WHT)
JUMPER
WIRE
GAUGE ASSEMBLY CONNECTOR C (16P)
JUMPER WIRE
WALP (BLU/WHT)
13. Check the R/C MIRROR (7.5A) fuse in the driver’s
under-dash fuse/relay box, and reinstall the fuse if
it is OK.
Go to step 14.
Replace the fuse, and recheck.
14. Connect the ABS control unit connector A (22P)
terminal No. 1 to body ground with a jumper wire.
15. Turn the ignition switch ON (II).
Repair open in the wire between the ABS
control unit and body ground (G303).
Go to step 16.
16. Measure the voltage between the ABS control unit
connector A (22P) terminal No. 11 and body ground.
Go to step 17.
Repair open in the wire between the R/C
MIRROR (7.5A) fuse and the ABS control unit.
17. Connect the ABS control unit connector B (12P)
terminal No. 1 to body ground with a jumper wire.
Check for loose ABS control unit connectors.
If necessary, substitute a known-good ABS control
unit, and recheck.
Go to step 18.
18. Connect the gauge assembly connector C (16P)
terminal No. 10 to body ground with a jumper wire.
Repair open in the wire between the gauge
assembly and the ABS control unit.
Replace the printed circuit board in the gauge
assembly.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is the f use OK ?
Does the ABS indicator go of f ?
Is ther e batter y voltage?
Does the ABS indicator go of f ?
Does the ABS indicator go of f ?
03/07/29 09:55:56 61S0X050_190_0074
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S0X4A07D14300014832FAAT00
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
19-75
Brake System Indicator Circuit Troubleshooting
1. Release the parking brake.
2. Turn the ignition switch ON (II), and check the brake
system indicator for the following conditions:
• Brake system indicator does not come on at all,
go to step 3.
• Brake system indicator stays on all the time, go
to step 5.
• Brake system indicator comes on for 2 seconds,
then turns off. Repair open in the wire between
No. 3 terminal of the ALT 4P connector and B8
terminal of the gauge assembly.
3. Turn the ignition switch OFF then ON (II) again.
Go to step 4.
Repair open in the indicator power source
circuit.
• Blown BACKUP LIGHT (10A) fuse.
• Open in the wire between the BACKUP LIGHT
(10A) fuse and the gauge assembly.
• Open circuit inside the fuse box.
4. Check the brake system indicator bulb in the gauge
assembly.
Repair open in the brake system indicator
circuit.
Replace the brake system indicator bulb.
5. Start the engine.
System is OK at this time.
Go to step 6.
6. Check the ABS indicator.
Read the ABS DTC’s (see page 19-42), and do
the applicable troubleshooting.
Go to step 7.
7. Turn the ignition switch OFF.
8. Disconnect the ABS control unit connector A (22P).
9. Start the engine, and check the brake system
indicator.
Replace the ABS control unit.
Check the brake system indicator circuit
(short to body ground between No. 3 terminal of
the ALT 4P connector and B8 terminal of the gauge
assembly), parking brake switch (stuck ON), and
brake fluid level switch (stuck ON).
Does the ABS indicator come on?
Is the bulb OK ?
Does the br ake system indicator tur n of f ?
Does the ABS indicator come on?
Does the br ake system indicator tur n of f ?
03/07/29 09:55:56 61S0X050_190_0075
*01
S0X4A07D10600012341KDAT10
Removal
Installation
19-76
ABS Components
Modulator Unit Removal and Installation
From
left-front
From
right-front
From
right-rear
From
left-rear
A
C
B
6 mm NUT
9.8 N·m (1.0 kgf·m, 7.2 lbf·ft)
NOTE:
• Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid gets on the paint, wash it off
immediately with water.
• Take care not to damage or deform the brake lines during removal and installation.
• To prevent the brake fluid from flowing, plug and cover the hose ends and joints with a shop towel or equivalent
material.
1. Remove the intake air duct (see step 6 on page 5-3).
2. Disconnect the modulator unit connector (A) and the pump motor connector (B).
3. Disconnect the brake lines, then remove the modulator unit (C).
1. Install the modulator unit, then connect the brake lines. Tighten the flare nuts to 15 N·m (1.5 kgf·m, 11 lbf·ft).
2. Connect the modulator unit connector and the pump motor connector.
3. Bleed the brake system, starting with the front wheels.
4. Reinstall the intake air duct (see step 48 on page 5-20).
5. Start the engine, and check that the ABS indicator goes off.
6. Test-drive the vehicle, and check that the ABS indicator does not come on.
03/07/29 09:55:56 61S0X050_190_0076
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S0X4A07D10600012301KBAT10
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S0X4A07D10600065301MAAT10
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Standard:
Front:
0.5
1.0 mm (0.02
0.04 in.)
Rear:
0.2
1.1 mm (0.01
0.04 in.)
Front
Rear
19-77
19-77
ABS Control Unit Replacement
Wheel Sensor Inspection
B
A
0.5
1.0 mm
(0.02
0.04 in.)
0.2
1.1 mm
(0.01
0.04 in.)
1. Remove the ABS control unit (A) on the driver’s
side under the dash.
2. Disconnect the ABS control unit connectors (B).
3. Install the ABS control unit in the reverse order of
removal.
1. Inspect the front and rear pulsers for chipped or
damaged teeth.
2. Measure the air gap between the wheel sensor and
pulser all the way around while rotating the pulser.
Remove the rear brake disc to measure the gap on
the rear wheel sensor. If the gap exceeds 1.0 mm
(0.04 in.), check for a bent suspension arm.
03/07/29 09:55:57 61S0X050_190_0077
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