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Honda Odyssey 2004. Manual - part 336

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YES

TCS DTC 36:

19-150

ABS/TCS Components

DTC Troubleshooting (cont’d)

PCM CONNECTOR E (20P)

VREF (WHT/RED)

ABS/TCS CONTROL UNIT CONNECTOR B (16P)

VREF (WHT/RED)

PCM CONNECTOR E (20P)

THLOUT (RED/BLK)

5. Measure the voltage between the PCM connector

terminal No. 6 and body ground.

Go to step 6.

Check for loose PCM connectors. If necessary,

substitute a known-good PCM, and recheck.

6. Measure the voltage between the ABS/TCS control

unit connector B(16P) terminal No. 2 and body

The system is OK at this time. If the problem

recurs, replace the ABS/TCS control unit.

Repair open in the wire between the PCM and

the ABS/TCS control unit.

NOTE: If the MIL or ABS indicator is ON, troubleshoot
the PGM-FI or ABS first.

1. Disconnect the PCM connector E (20P) and the ABS/

TCS control unit connector B(16P).

2. Check for continuity between the PCM connector E

(20P) terminal No. 5 and body gound.

Repair short to body ground in the wire

between the PCM and the ABS/TCS control unit.

Go to step 3.

3. Connect the PCM connector E (20P).

4. Start the engine.

Throttle Position Sensor Output

(THLOUT) Signal (’02-04 models)

Wire side of female terminals

Is ther e about 5 V ?

Is ther e continuity?

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ground.

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YES

TCS DTC 61:

19-151

PCM CONNECTOR E (20P)

THLOUT (RED/BLK)

ABS/TCS CONTROL UNIT CONNECTOR B (16P)

THLOUT (RED/BLK)

PCM CONNECTOR E (20P)

ATSFT (LT GRN)

5. Measure the voltage between the PCM connector E

(20P) terminal No. 31 and body ground with the
throttle fully opened and fully closed. There should
be a smooth transition from approx. 0.5 V to 4.5 V.

Go to step 6.

Check for loose PCM connectors. If necessary,

substitute a known-good PCM, and recheck.

6. Measure the voltage between the ABS/TCS control

unit connector B (16P) terminal No. 9 and body
ground with the throttle fully closed.

The system is OK at this time. If the problem

recurs, replace the ABS/TCS control unit.

Repair open in the wire between the PCM and

the ABS/TCS control unit.

NOTE: If the MIL or ABS indicator is ON, troubleshoot
the PGM-FI or ABS first.

1. Disconnect the PCM connector E (20P) and the

ABS/TCS control unit connector B (16P).

2. Check for continuity between the PCM connector

E (20P) terminal No. 17 and body ground.

Repair short to body ground in the wire

between the PCM and the ABS/TCS control unit.

Go to step 3.

3. Connect the PCM connector E (20P).

4. Shift the transmission to P position.

5. Start the engine.

(cont’d)

A/T Shift Position (ATSFTP)

Signal (’02-04 models)

Wire side of female terminals

Is the voltage as specif ied?

Is ther e about 0.5 V ?

Is ther e continuity?

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YES

TCS DTC 81:

19-152

ABS/TCS Components

DTC Troubleshooting (cont’d)

5 V

About. 4 V

0 V

PCM CONNECTOR E (20P)

ATSFTP (LT GRN)

5 V

About. 4 V

0 V

ABS/TCS CONTROL UNIT CONNECTOR B (16P)

ATSFTP
(LT GRN)

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.

Go to step 7.

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.

Check for loose ABS/TCS control unit

connectors. If necessary, substitute a known-good
ABS/TCS control unit, and recheck.

Repair open in the wire between the PCM and

the ABS/TCS control unit.

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.

Replace the ABS/TCS control unit.

Intermittent failure; the vehicle is OK at this

time.

Continuous TCS Operation

Wire side of female terminals

Is ther e about 4 V ?

Does the T CS indicator come on, and is DT C 81
indicated?

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YES

19-153

ABS Indicator Circuit Troubleshooting

GAUGE ASSEMBLY CONNECTOR C (16P)

ABS (BLU/WHT)

GAUGE ASSEMBLY CONNECTOR B (22P)

GND (BLK)

JUMPER WIRE

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 13.

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. Turn the ignition switch OFF.

4. Disconnect the ABS/TCS control unit connector

A (26P).

5. Turn the ignition switch ON (II).

Check for loose ABS/TCS control unit

connectors. If necessary, substitute a known-good
ABS/TCS control unit, and recheck.

Go to step 6.

6. Check the ABS indicator bulb in the gauge

assembly.

Go to step 7.

Replace the ABS indicator bulb.

7. Turn the ignition switch OFF.

8. Disconnect the gauge assembly connector C (16P).

9. Check for continuity between the gauge assembly

connector C (16P) terminal No. 10 and body ground.

Repair short to body ground in the wire

between the gauge assembly and the ABS/TCS
control unit.

Go to step 10.

10. Connect the gauge assembly connector C (16P).

11. Connect the gauge assembly connector B (22P)

terminal No. 16 to body ground with a jumper wire.

12. Turn the ignition switch ON (II).

Repair open in the wire between the gauge

assembly and body ground (G501).

Replace the printed circuit board in the gauge

assembly.

(cont’d)

Wire side of female terminals

Does the T CS indicator come on?

Does the br ake system indicator come on?

Does the ABS indicator come on?

Is the bulb OK ?

Is ther e continuity?

Does the ABS indicator come on?

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