2006 ACURA CSX Service Repair Manual

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Page 481 of 2893

ACURA CSX 2006 Service Repair Manual

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11-158PGM-FI System
DTC Troubleshooting (cont’d)
ECM/PCM CONNECTOR C (44P)
AFS (RED/YEL)
AFS (RED)
A/F SENSOR (SENSOR 1) 4P

Page 482 of 2893

ACURA CSX 2006 Service Repair Manual (#

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DTC P1172:
11-15911-159
20. Monitor the OBD STATUS for DTC P1157 in the
DTCs MENU with th

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DTC P1172:
11-15911-159
20. Monitor the OBD STATUS for DTC P1157 in the
DTCs MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 19,
go to the indicated DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the A/F sensor
(Sensor1)andtheECM/PCM,thengotostep1.If
the screen indicates NOT COMPLETED, keep idling
until a result comes on.
21. 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).
22. Start the engine, and let it idle.
23. Check for Temporary DTCs or DTCs with the HDS.
If the ECM/PCM was updated, substitute a
known-good ECM/PCM (see page 11-7), then go to
step 22. If the ECM/PCM was substituted, go to step
1.
Go to step 24.
24. Monitor the OBD STATUS for DTC P1157 in the DTCs MENU with the HDS.
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 were indicated in step 23, go to the indicated
DTC’s troubleshooting.
If the screen indicates FAILED, go to step 1. If
the ECM/PCM was updated, substitute a known-
good ECM/PCM (see page 11-7), then go to step 22.
If the ECM/PCM was substituted, go to step 1. If the
screen indicates NOT COMPLETED, keep idling
until a result comes on. 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 the HDS.
3. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in
neutral) until the radiator fan comes on, then let it
idle.
4. Monitor the OBD STATUS for DTC P1172 in the DTCs MENU with the HDS.
Go to step 5.
If the screen indicates PASSED, intermittent
failure, the system is OK at this time. Check for
poor connections or loose terminals at the A/F
sensor (Sensor 1) and the ECM/PCM. If the screen
indicates EXECUTING, keep idling until a result
comes on. If the screen indicates OUT OF
CONDITION, go to step 3 and recheck.
5. Turn the ignition switch to LOCK (0).
6. Replace the A/F sensor (Sensor 1) (see page 11-221).
7. Turn the ignition switch to ON (II).
8. Reset the ECM/PCM with the HDS.
9. Do the ECM/PCM idle learn procedure (see page 11-310).
10. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in
neutral) until the radiator fan comes on, then let it
idle.
(cont’d)A/F Sensor (Sensor 1) Circuit Out
of Range High
Does t he scr een i nd i cat e PASSE D?
I s DT C P115 7 i nd i cat ed ?Does t he scr een i nd i cat e PASSE D? Does t he scr een i nd i cat e F AILE D?
08/08/21 14:20:23 61SNR030_110_0159
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Page 483 of 2893

ACURA CSX 2006 Service Repair Manual (#

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DTC P1297:
11-16011-160PGM-FI System
DTC Troubleshooting (cont’d)
11. Check for Tempora

Page 484 of 2893

ACURA CSX 2006 Service Repair Manual
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11-161
ECM/PCM CONNECTOR A (44P)
ELD (ORN)
10. Check for continuity between ECM/PCM connectorterminal A23 and body ground.
Repair short in the wire bet

Page 485 of 2893

ACURA CSX 2006 Service Repair Manual

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DTC P1298:
YES
NO
YES
NO YES
NO
11-162PGM-FI System
DTC Troubleshooting (cont’d)
ELD 3P CONNECTOR
IG1 (YEL) ELD 3P

Page 486 of 2893

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11-163
ELD 3P CONNECTOR
GND (BLK)
11. Check for continuity between ELD 3P connectorterminal No. 2 and body ground.
Go to step 12.
Repair open in the wi

Page 487 of 2893

ACURA CSX 2006 Service Repair Manual (#

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DTC P1549:
YES
NO YES
NO
11-164PGM-FI System
DTC Troubleshooting (cont’d)
Charging System High Voltage
NOTE:
Before you troublesh

Page 488 of 2893

ACURA CSX 2006 Service Repair Manual ´´
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DTC P16BB:
YES
NO
YES
NO YES
NO
YES
NO
11-165
Alternator B Terminal Circuit
Low Voltage
NOTE: Befor

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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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