Acura RSX Honda Integra. Manual — part 24
01
S6M6AEJA14100016802FAAT00
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K20A3 Engine (2002-2004 Models)
YES
NO
YES
NO
YES
NO
YES
NO
4-32
Charging System
Charging System Indicator Circuit Troubleshooting
ENGINE WIRE HARNESS 8P CONNECTOR
IG (BLK/YEL)
1. Turn the ignition switch ON (II).
Go to step 2.
Go to step 3.
2. Start the engine.
Charging system indicator circuit is OK. Go
to the Alternator and Regulator Circuit
Troubleshooting (see page 4-39).
Go to step 3.
3. Do the gauge assembly self-diagnostic function
procedure (see page 22-68).
Go to step 4.
Replace the gauge assembly (see page 22-74).
4. Turn the ignition switch OFF.
5. Disconnect the engine wire harness 8P connector
from the starter subharness 8P connector.
6. Turn the ignition switch ON (II).
7. Measure the voltage between engine wire harness
8P connector terminal No. 4 and body ground.
Go to step 8.
Check for a blown No. 4 (10 A) fuse in the
under-dash fuse/relay box. If the fuse is OK, repair
open in the wire between the alternator and under-
dash fuse/relay box.
8. Turn the ignition switch OFF.
NOTE: This step must be done to protect the engine
control module (ECM)/powertrain control module
(PCM) from damage.
9. Disconnect ECM/PCM connector B (24P).
Wire side of female terminals
Does the char ging system indicator come on?
Does the char ging system indicator go of f ?
Does the char ging system indicator f lash?
Is ther e batter y voltage?
01
02
S6M6AFDA14100016802FAAT00
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YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
K20A3 Engine (2005-2006 Models)
4-33
4-33
ECM/PCM CONNECTOR B (24P)
ALTL (WHT/BLU)
L (WHT/BLU)
ENGINE WIRE
HARNESS 8P
CONNECTOR
ECM/PCM CONNECTOR B (24P)
ALTL (WHT/BLU)
10. Check for continuity between ECM/PCM connector
terminal B10 and engine wire harness 8P connector
terminal No. 8.
Go to step 11.
Repair an open in the wire between the
alternator and the ECM/PCM.
11. Check for continuity between ECM/PCM connector
terminal B10 and body ground.
Repair a short in the wire between the
alternator and the ECM/PCM.
Go to the Alternator and Regulator Circuit
Troubleshooting (see page 4-39).
1. Turn the ignition switch ON (II).
Go to step 2.
Go to step 11.
2. Shift to Park or Neutral, and start the engine. Hold
the engine speed at 2,000 rpm for 1 minute.
Charging system indicator circuit is OK. Go
to the Alternator and Regulator Circuit
Troubleshooting (see page 4-39).
Go to step 3.
3. Do the gauge assembly self-diagnostic function
procedure (see page 22-68).
Go to step 4.
Replace the gauge assembly (see page 22-74).
4. Turn the ignition switch OFF.
5. Disconnect the engine wire harness 8P connector
from the starter subharness 8P connector.
6. Turn the ignition switch ON (II).
Replace the alternator (see page 4-46) or
repair the alternator (see page 4-48).
Go to step 7.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
Does the char ging system indicator come on?
Does the char ging system indicator go of f ?
Does the char ging system indicator f lash?
Does the char ging system indicator go of f ?
*01
04
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YES
NO
YES
NO
YES
NO
4-34
Charging System
Charging System Indicator Circuit Troubleshooting (cont’d)
ECM/PCM CONNECTOR B (24P)
ALTL (WHT/BLU)
ENGINE WIRE HARNESS 8P CONNECTOR
L
(WHT/BLU)
JUMPER
WIRE
7. Turn the ignition switch OFF.
8. Connect the Honda Diagnostic System (HDS) to the
data link connector (DLC) (see step 2 on page 11-3).
Turn the ignition switch ON (II), and jump the SCS
line with the HDS, then turn the ignition switch OFF.
NOTE: This step must be done to protect the engine
control module (ECM)/powertrain control module
(PCM) from damage.
9. Disconnect ECM/PCM connector B (24P).
10. Check for continuity between ECM/PCM connector
terminal B10 and body ground.
Repair a short in the wire between the
alternator and the ECM/PCM.
Update the ECM/PCM if it does not have the
latest software (see page 11-6), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original ECM/
PCM (see page 11-284).
11. Do the gauge assembly self-diagnostic function
procedure (see page 22-68).
Go to step 12.
Replace the gauge assembly (see page 22-74).
12. Turn the ignition switch OFF.
13. Disconnect the engine wire harness 8P connector
from the starter subharness 8P connector.
14. Connect engine wire harness 8P connector terminal
No. 8 and body ground with a jumper wire.
15. Turn the ignition switch ON (II).
Replace the alternator (see page 4-46) or
repair the alternator (see page 4-48).
Go to step 16.
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Does the char ging system indicator f lash?
Does the char ging system indicator come on?
*02
S6M6A12A14100000000FAAT00
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YES
NO
YES
NO
YES
NO
YES
NO
K20A2 Engine (2002-2004 Models)
4-35
4-35
ECM/PCM CONNECTOR B (24P)
ALTL (WHT/BLU)
16. Connect the HDS to the DLC (see step 2 on page
11-3). Turn the ignition switch ON (II), and jump the
SCS line with the HDS, then turn the ignition switch
OFF.
NOTE: This step must be done to protect the ECM/
PCM from damage.
17. Disconnect ECM/PCM connector B (24P).
18. Check for continuity between ECM/PCM connector
terminal B10 and body ground.
Update the ECM/PCM if it does not have the
latest software (see page 11-6), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original ECM/
PCM (see page 11-284).
Repair an open in the wire between the
alternator and the ECM/PCM.
1. Turn the ignition switch ON (II).
Go to step 2.
Go to step 3.
2. Start the engine.
Charging system indicator circuit is OK. Go
to the Alternator and Regulator Circuit
Troubleshooting (see page 4-39).
Go to step 3.
3. Do the gauge assembly self-diagnostic function
procedure (see page 22-48).
Go to step 4.
Replace the gauge assembly (see page 22-74).
4. Turn the ignition switch OFF.
5. Disconnect the engine wire harness 6P connector
from the starter subharness 6P connector.
6. Turn the ignition switch ON (II).
(cont’d)
Wire side of female terminals
Is ther e continuity?
Does the char ging system indicator come on?
Does the char ging system indicator go of f ?
Does the char ging system indicator f lash?
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