2006 ACURA CSX idle air control

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DTC P16BB:
YES
NO
YES
NO YES
NO
YES
NO
11-165
Alternator B Terminal Circuit
Low Voltage
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with HDS.
3. Start the engine.
4. Check under these conditions:
A/Con
 Temperature control at maximum cool
 Blower fan at maximum speed
 Rear window defogger on
 Headlights on high beam
5. Hold the engine speed at 2,000 rpm (A/T in P or N, M/T in neutral) for 1 minute.
6. Check for Temporary DTCs or DTCs with the HDS.
Go to step 7.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the alternator and the under-hood fuse/relay box,
and check the battery performance (see page
22-67).
7. Check for poor connections or loose terminals at the alternator and the under-hood fuse/relay box
( B line).
Go to step 8.
Repair the connectors or the terminals, then
go to step 9. 8. Check for an open in the wire ( B line) between
the alternator and the under-hood fuse/relay box
( B line).
Replace the alternator (see page 4-34), then
go to step 9.
Repair open in the wire ( B line) between the
alternator and the under-hood fuse/relay box ( B
line),thengotostep9.
9. Turn the ignition switch to ON (II).
10. Reset the ECM/PCM with the HDS.
11. Do the ECM/PCM idle learn procedure (see page 11-310).
12. Start the engine.
13. Check under these conditions: A/Con
 Temperature control at maximum cool
 Blower fan at maximum speed
 Rear window defogger on
 Headlights on high beam
14. Hold the engine speed at 2,000 rpm (A/T in P or N, M/T in neutral) for 1 minute.
15. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the alternator and the under-hood
fuse/relaybox,thengotostep1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Is DTC P16BB indicated?
Ar e t he connect i ons and t he t er mi nal s OK ? I s t he har ness OK ?
Is DTC P16BB indicated?
08/08/21 14:20:25 61SNR030_110_0165
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DYNOMITE -2009-


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YES
NO
YES
NO
11-167
ALTERNATOR 4P CONNECTOR
ALTF
(WHT/RED) ECM/PCM CONNECTOR B (44P)
ALTF (WHT/RED)
ALTERNATOR 4P CONNECTOR
ALTF (WHT/RED)
13. Measure the voltage between alternator 4Pconnector terminal No. 4 and body ground.
Replace the alternator (see page 4-34), then
go to step 18.
Go to step 14.
14. Turn the ignition switch to LOCK (0).
15. Jump the SCS line with the HDS.
16. Disconnect ECM/PCM connector B (44P). 17. Check for continuity between alternator 4P
connector terminal No. 4 and ECM/PCM connector
terminal B43.
Go to step 27.
Repair open in the wire between the ECM/
PCM (B43) and the alternator, then go to step 18.
18. Turn the ignition switch to LOCK (0).
19. Reconnect all connectors.
20. Turn the ignition switch to ON (II).
21. Reset the ECM/PCM with the HDS.
22. Do the ECM/PCM idle learn procedure (see page 11-310).
23. Start the engine.
24. Check under these conditions: A/Con
 Temperature control at maximum cool
 Blower fan at maximum speed
 Rear window defogger on
 Headlights on high beam
(cont’d)
Wire side of female terminals Wire side of female terminals
Terminal side of female terminals
Is t her e about 5 V ? Is there continuity?
08/08/21 14:20:26 61SNR030_110_0167
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DYNOMITE -2009-

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YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
DTC P2183:
11-16811-168PGM-FI System
DTC Troubleshooting (cont’d)
25. Hold the engine speed at 2,000 rpm (A/T in P or N,
M/T in neutral) for 1 minute.
26. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the alternator and the ECM/PCM, then
go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
27. Reconnect all connectors.
28. Update the ECM/PCM if it does not have the latest software (see page 11-227), or substitute a known-
good ECM/PCM (see page 11-7).
29. Start the engine.
30. Check under these conditions: A/Con
 Temperature control at maximum cool
 Blower fan at maximum speed
 Rear window defogger on
 Headlights on high beam
31. Hold the engine speed at 2,000 rpm (A/T in P or N, M/T in neutral) for 1 minute.
32. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the alternator and the ECM/PCM. If the
ECM/PCM was updated, substitute a known-good
ECM/PCM (see page 11-7), then go to step 29. If the
ECM/PCM was substituted, go to step 1.
If the ECM/PCM was updated, troubleshooting
is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-228). If
any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC’s troubleshooting. NOTE:
 Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
 If DTC P0111 is stored at the same time as DTC P2183, troubleshoot DTC P0111 first, then recheck for DTC
P2183.
1. Check for poor connections or loose terminals at ECT sensor 1 and ECT sensor 2.
Go to step 2.
Repair the connections or the terminals, then
go to step 27.
2. Turn the ignition switch to ON (II).
3. Check for Temporary DTCs or DTCs with the HDS.
Go to step 15.
Go to step 4.
4. Start the engine, and let it idle for 10 minutes.
5. Check ECT SENSOR 2 in the DATA LIST with the HDS.
ReplaceECTsensor2(seepage11-225),then
go to step 27.
Go to step 6.
6. Turn the ignition switch to LOCK (0).
7. Drain the coolant (see page 10-8).
8. Remove ECT sensor 2 (see page 11-225).
9. Allow ECT sensor 2 to cool to ambient temperature.
10. Note the ambient temperature.ECT Sensor 2 Circuit Range/
Performance Problem
Is DTC P16BC indicated?
Is DTC P16BC indicated? Ar e t he connect i ons and t he t er mi nal s OK ?
Ar e DT C P 1116 and P 2 183 i nd i cat ed at t he sametime?
I s about 60 ° C ( 140 ° F ) or l ess i nd i cat ed ?
08/08/21 14:20:26 61SNR030_110_0168
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DYNOMITE -2009-

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YES
NO YES
NO
11-185
CANL (RED)
CANL (RED)
VSA MODULATOR-CONTROL
UNIT 37P CONNECTOR
ECM/PCM CONNECTOR A (44P)
11. Check for continuity between ECM/PCM connector
terminal A37 and VSA modulator-control unit 37P
connector terminal No. 1.
Substitute a known-good VSA modulator-
control unit (see page 19-171), then go to step 12
and recheck. If DTC U0122 is not indicated, replace
the original VSA modulator-control unit (see page
19-171), then go to step 12.
Repair open in the wire between the ECM/
PCM (A37) and the VSA modulator-control unit,
then go to step 12. 12. Reconnect all connectors.
13. Turn the ignition switch to ON (II).
14. Reset the ECM/PCM with the HDS.
15. Do the ECM/PCM idle learn procedure (see page
11-310).
16. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the VSA modulator-control unit and
theECM/PCM,thengotostep1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Wire side of female terminals Terminal side of female terminals
Is there continuity? Is DTC U0122 indicated?
08/08/21 14:21:47 61SNR030_110_0185
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DYNOMITE -2009-


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YES
NO YES
NO
11-187
ECM/PCM CONNECTOR A (44P)
CANL (RED)
JUMPER WIRE
EPS CONTROL UNIT CONNECTOR D (28P) CANL (RED)
12. Connect ECM/PCM connector terminal A37 to body ground with a jumper wire.
13. Check for continuity between EPS control unit connector D (28P) terminal No. 15 and body ground.
Substitute a known-good EPS control unit
(see page 17-84), then go to step 14 and recheck. If
no DTCs are indicated, replace the original EPS
control unit (see page 17-84), then go to step 14.
Repair open in the wire between the ECM/
PCM (A37) and the EPS control unit, then go to step
14. 14. Reconnect all connectors.
15. Turn the ignition switch to ON (II).
16. Reset the ECM/PCM with the HDS.
17. Do the ECM/PCM idle learn procedure (see page
11-310).
18. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the EPS control unit and the ECM/PCM,
then go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Terminal side of female terminals
Wire side of female terminals
Is there continuity? Is DT C U0131 ind icated ?
08/08/21 14:21:48 61SNR030_110_0187
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DYNOMITE -2009-


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YES
NO YES
NO
11-189
GAUGE CONTROL MODULE (TACH) 36P CONNECTOR
CANL (RED)
JUMPER WIRE
ECM/PCM CONNECTOR A (44P) CANL (RED)
11. Connect gauge control module (tach) 36Pconnector terminal No. 19 to body ground with a
jumper wire.
12. Check for continuity between ECM/PCM connector terminal A37 and body ground.
Substitute a known-good gauge control
module (tach) (see page 22-277), then go to step 14
and recheck. If no DTCs are indicated, replace the
original gauge control module (tach) (see page
22-277), then go to step 13.
Repair open in the wire between the ECM/
PCM (A37) and the gauge control module (tach),
then go to step 13. 13. Reconnect all connectors.
14. Turn the ignition switch to ON (II).
15. Reset the ECM/PCM with the HDS.
16. Do the ECM/PCM idle learn procedure (see page
11-310).
17. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the gauge control module (tach) and
theECM/PCM,thengotostep1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Wire side of female terminals
Terminal side of female terminals
Is there continuity? Is DTC U0155 indicated?
08/08/21 14:21:49 61SNR030_110_0189
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DYNOMITE -2009-

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YES
NO
YES
NO
YES
NO
11-238Electronic Throttle Control System
DTC Troubleshooting (cont’d)
ECM/PCM CONNECTOR C (44P)
THROTTLE BODY 6P CONNECTOR
VCC3 (BLU) VCC3 (BLU)
15. Check for continuity between ECM/PCM connector
terminal C12 and throttle body 6P connector
terminal No. 2.
Go to step 23.
Repair open in the wire between the throttle
body and the ECM/PCM (C12), then go to step 18. 16. Turn the ignition switch to LOCK (0).
17. Replace the throttle body; K20Z2 engine (see page
11-348), K20Z3 engine (see page 11-349).
18. Reconnect all connectors.
19. Turn the ignition switch to ON (II).
20. Reset the ECM/PCM with the HDS.
21. Do the ECM/PCM idle learn procedure (see page 11-310).
22. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the throttle body and the ECM/PCM,
then go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
23. Reconnect all connectors.
24. Update the ECM/PCM if it does not have the latest software (see page 11-227), or substitute a known-
good ECM/PCM (see page 11-7).
25. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the throttle body and the ECM/PCM. If
the ECM/PCM was updated, substitute a known-
good ECM/PCM (see page 11-7), then recheck. If the
ECM/PCM was substituted, go to step 1.
If the ECM/PCM was updated, troubleshooting
is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-228). If
any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC’s troubleshooting.
Wire side of
female terminals
Terminal side of female terminals
Is there continuity? Is DTC P0222 indicated?
Is DTC P0222 indicated?
08/08/21 14:23:45 61SNR030_110_0238
ProCarManuals.com
DYNOMITE -2009-

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YES
NO YES
NO
YES
NO
11-246Electronic Throttle Control System
DTC Troubleshooting (cont’d)
F
ECM/PCM CONNECTOR C (44P)IG1ETCS (WHT) B
ETCS CONTROL RELAY 4P CONNECTOR
17. Remove the ETCS control relay (F) from the under-
hood fuse/relay box.
18. Jump the SCS line with the HDS.
19. Disconnect ECM/PCM connector C (44P).
20. Check for continuity between ECM/PCM connector terminal C1 and body ground.
Repair short in the wire between the ECM/
PCM (C1) and the ETCS control relay, then go to
step 23.
Go to step 21. 21. Check for continuity between ETCS control relay 4P
connector terminal No. 1 and body ground.
Replace the under-hood fuse/relay box
(see page 22-65), then go to step 23.
Go to step 28.
22. Turn the ignition switch to LOCK (0).
23. Reconnect all connectors.
24. Turn the ignition switch to ON (II).
25. Reset the ECM/PCM with the HDS.
26. Do the ECM/PCM idle learn procedure (see page 11-310).
27. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the ETCS control relay and the ECM/
PCM, then go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Terminal side of female terminals Terminal side of female terminals
Is there continuity?
Is there continuity?
Is DTC P1659 indicated?
08/08/21 14:26:43 61SNR030_110_0246
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