2006 ACURA CSX Service Repair Manual

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Page 409 of 2893

ACURA CSX 2006 Service Repair Manual
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DTC P0112:
YES
NO
YES
NO YES
NO
YES
NO
11-86PGM-FI System
DTC Troubleshooting (cont’d)
MAF SENSOR/IAT SENSOR 5

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DTC P0112:
YES
NO
YES
NO YES
NO
YES
NO
11-86PGM-FI System
DTC Troubleshooting (cont’d)
MAF SENSOR/IAT SENSOR 5P CONNECTOR
IAT
(RED/YEL)
IAT Sensor 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. ChecktheIATSENSORintheDATALISTwiththe HDS.
Go to step 3.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the MAF sensor/IAT sensor and the ECM/PCM.
3. Turn the ignition switch to LOCK (0).
4. Disconnect the MAF sensor/IAT sensor 5P connector.
5. Turn the ignition switch to ON (II).
6. ChecktheIATSENSORintheDATALISTwiththe HDS.
Go to step 7.
Go to step 11.
7. Turn the ignition switch to LOCK (0).
8. Jump the SCS line with the HDS.
9. Disconnect ECM/PCM connector B (44P). 10. Check for continuity between MAF sensor/IAT
sensor 5P connector terminal No. 5 and body
ground.
Repair short in the wire between the MAF
sensor/IAT sensor and the ECM/PCM (B31), then go
to step 13.
Go to step 18.
11. Turn the ignition switch to LOCK (0).
12. Replace the MAF sensor/IAT sensor (see page 11-224).
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 MAF sensor/IAT sensor 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.
Wire side of female terminals
I s about 180 ° C ( 35 6 ° F ) or mor e, or 0.08 V or l ess indicated?
I s about 180 ° C ( 35 6 ° F ) or mor e, or 0.08 V or l essindicated? Is there continuity?
Is DTC P0112 indicated?
08/08/21 14:15:41 61SNR030_110_0086
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YES
NO
YES
NO
YES
NO
DTC P0113:
11-8711-87
MAF SENSOR/IAT SENSOR 5P CONNECTOR
IAT
(RED/YEL)
SG2
(GRN/BLK)

Page 411 of 2893

ACURA CSX 2006 Service Repair Manual
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YES
NO
YES
NO
11-88PGM-FI System
DTC Troubleshooting (cont’d)
MAF SENSOR/IAT SENSOR 5P CONNECTOR
IAT
(RED/YEL) MAF SENSOR/IAT SENSOR 5P CONNECTOR
ECM/PCM CONNECTOR B (44P)SG

Page 412 of 2893

ACURA CSX 2006 Service Repair Manual µ
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YES
NO
YES
NO
YES
NO
11-89
MAF SENSOR/IAT SENSOR 5P CONNECTOR
ECM/PCM CONNECTOR B (44P)IAT (RED/YEL)
IAT (RED/YEL)
16. Turn the ignition switch to LOCK (0).
17. Jump the SC

Page 413 of 2893

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DTC P0116:
YES
NO
YES
NO YES
NO
YES
NO
11-90PGM-FI System
DTC Troubleshooting (cont’d)
ECT Sensor 1 Circuit Range/

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DTC P0116:
YES
NO
YES
NO YES
NO
YES
NO
11-90PGM-FI System
DTC Troubleshooting (cont’d)
ECT Sensor 1 Circuit Range/
Performance Problem
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. Check ECT SENSOR 1 in the DATA LIST with the HDS.
Go to step 6.
Go to step 3.
3. Note the value of ECT SENSOR 1 in the DATA LIST with the HDS.
4. 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.
5. Check ECT SENSOR 1 in the DATA LIST with the HDS.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at ECT sensor 1 and the ECM/PCM.
Go to step 11.
6. Note the value of ECT SENSOR 1 in the DATA LIST with the HDS.
7. Turn the ignition switch to LOCK (0).
8. Open the hood, and let the engine cool for 3 hours.
9. Turn the ignition switch to ON (II). 10. Check ECT SENSOR 1 in the DATA LIST with the
HDS.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at ECT sensor 1 and the ECM/PCM.
Go to step 11.
11. Turn the ignition switch to LOCK (0).
12. Replace ECT sensor 1 (see page 11-225).
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 ECT sensor 1 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.
I s about 80 ° C ( 17 6 ° F ) or mor e, or 0.7 8 V or l ess indicated?
Does E CT SE N SOR 1 change 10 ° C ( 18 ° F ) ormor e? Does E CT SE N SOR 1 change 10 ° C ( 18 ° F ) or
mor e?
Is DTC P0116 indicated?
08/08/21 14:15:42 61SNR030_110_0090
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DYNOMITE -2009-

Page 414 of 2893

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DTC P0117:
YES
NO
YES
NO YES
NO
YES
NO
11-91
ECT SENSOR 1 2P CONNECTOR
ECT1
(RED/WHT)
ECT Sensor 1 Circuit Low V

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YES
NO
YES
NO
DTC P0118:
11-9211-92PGM-FI System
DTC Troubleshooting (cont’d)
ECT SENSOR 1 2P CONNECTOR
SG2
(GRN/BLK)
J

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ACURA CSX 2006 Service Repair Manual µµ

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YES
NO
YES
NO
YES
NO
11-93
ECT SENSOR 1 2P CONNECTOR
ECT1
(RED/WHT) ECT SENSOR 1 2P CONNECTOR
ECM/PCM CONNECTOR B (44P) SG2 (GRN/BLK)
SG2 (GRN/BLK)
6. Turn the

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