Acura TSX / Honda Accord CL. Manual — part 321

For symptom trouble shooting diagnose chart, see Fig. 6 .

Fig. 6: Identifying Symptom Trouble Shooting Diagnose Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.

BENCH TESTING

BRUSHES

Measure the length of both brushes "A" with a vernier caliper "B". See Fig. 7 . If either brush is shorter than the
service limit, replace the brush assembly. If brush length is OK, go to ROTOR SLIP RING .

2004 Acura TSX

2004 STARTING & CHARGING SYSTEMS Generators & Regulators - TSX

Fig. 7: Measuring Alternator Brush Length
Courtesy of AMERICAN HONDA MOTOR CO., INC.

ROTOR SLIP RING

1. Check that there is continuity between the slip rings "A". See Fig. 8 . If there is continuity, go to next

step. If there is no continuity, replace the rotor assembly.

2. Check that there is no continuity between each slip ring and the rotor "B" and the rotor shaft "C". If there

is no continuity, replace the rear housing assembly, and go to REASSEMBLY under ALTERNATOR in
OVERHAUL. If there is continuity, replace the rotor assembly.

2004 Acura TSX

2004 STARTING & CHARGING SYSTEMS Generators & Regulators - TSX

Fig. 8: Inspecting Rotor Assembly
Courtesy of AMERICAN HONDA MOTOR CO., INC.

REMOVAL & INSTALLATION

ALTERNATOR

Removal

1. Ensure you have the anti-theft codes for the radio, and the navigation system. Write down the frequencies

for the radio's preset buttons.

2. Disconnect the negative cable from the battery. Disconnect the positive cable.

3. Remove the drive belt. See DRIVE BELT .

2004 Acura TSX

2004 STARTING & CHARGING SYSTEMS Generators & Regulators - TSX

4. Remove the auto-tensioner. See DRIVE BELT AUTO-TENSIONER .

5. Disconnect the alternator connector "A" and Black wire "B" from the alternator. See Fig. 9 .

6. Remove the three bolts securing the alternator. See Fig. 10

Fig. 9: Disconnecting Alternator Harness
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2004 Acura TSX

2004 STARTING & CHARGING SYSTEMS Generators & Regulators - TSX