2006 ACURA CSX sensor


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YES
NO
YES
NO
YES
NO
11-83
MAP SENSOR 3P CONNECTOR
VCC1
(YEL/RED) SG1
(GRN/WHT) SG1 (GRN/WHT)
ECM/PCM
CONNECTOR C (44P) MAP SENSOR 3P CONNECTOR
SG1 (GRN/WHT)
6. Turn the ignition switch to ON (II).
7. ChecktheMAPSENSORintheDATALISTwiththeHDS.
Go to step 8.
Go to step 18.
8. Remove the jumper wire from the MAP sensor 3P connector.
9. Measure the voltage between MAP sensor 3P connector terminals No. 1 and No. 3.
Go to step 14.
Go to step 10. 10. Turn the ignition switch to LOCK (0).
11. Jump the SCS line with the HDS.
12. Disconnect ECM/PCM connector C (44P).
13. Check for continuity between ECM/PCM connector
terminal C14 and MAP sensor 3P connector
terminal No. 3.
Go to step 25.
Repair open in the wire between the ECM/
PCM (C14) and the MAP sensor, then go to step 20.
(cont’d)
Wire side of female terminals Wire side of
female terminals
Terminal side of female terminals
I s about 160 k Pa ( 1,197 mmH g, 47 .1 i n.H g), or 4.49 V or mor e i nd i cat ed ?
Is t her e about 5 V ? Is there continuity?
08/08/21 14:15:40 61SNR030_110_0083
ProCarManuals.com
DYNOMITE -2009-

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YES
NO
YES
NO
YES
NO
11-84PGM-FI System
DTC Troubleshooting (cont’d)
MAP (GRN/RED)
ECM/PCM CONNECTOR C (44P)
MAP SENSOR 3P CONNECTOR
MAP (GRN/RED)
14. Turn the ignition switch to LOCK (0).
15. Jump the SCS line with the HDS.
16. Disconnect ECM/PCM connector C (44P).
17. Check for continuity between ECM/PCM connector terminal C11 and MAP sensor 3P connector
terminal No. 2.
Go to step 25.
Repair open in the wire between the ECM/
PCM (C11) and the MAP sensor, then go to step 20. 18. Turn the ignition switch to LOCK (0).
19. Replace the MAP sensor (see page 11-224).
20. Reconnect all connectors.
21. Turn the ignition switch to ON (II).
22. Reset the ECM/PCM with the HDS.
23. Do the ECM/PCM idle learn procedure (see page
11-310).
24. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the MAP 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.
25. Reconnect all connectors.
26. 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).
27. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the MAP sensor 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 DT C P0108 ind icated ?
Is DT C P0108 ind icated ?
08/08/21 14:15:41 61SNR030_110_0084
ProCarManuals.com
DYNOMITE -2009-

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DTC P0111:
YES
NO
YES
NO YES
NO
YES
NO
11-85
IAT Sensor 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. Check for poor connections or loose terminals at ECT sensor 1, ECT sensor 2, and the IAT sensor.
Go to step 2.
Repair the connections or the terminals, then
go to step 15.
2. Remove the MAF sensor/IAT sensor (see page 11-224).
3. Allow the IAT sensor to cool to ambient temperature.
4. Note the ambient temperature.
5. Connect the MAF sensor/IAT sensor to its 5P connector, but do not install the sensor onto the air
cleaner.
6. Turn the ignition switch to ON (II).
7. Note the value of the IAT SENSOR quickly in the DATA LIST with the HDS.
8. Compare the value of IAT SENSOR and the ambient temperature.
Go to step 13.
Go to step 9.
9. Disconnect the MAF sensor/IAT sensor from its 5P connector.
10. Using a heat gun, blow hot air on the MAF sensor/ IAT sensor for a few seconds. Do not apply the heat
longer than a few seconds or you will damage the
sensor. 11. Connect the MAF sensor/IAT sensor to its 5P
connector, but do not install the sensor onto the air
cleaner.
12. ChecktheIATSENSORintheDATALISTwiththe HDS.
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.
Go to step 13.
13. Turn the ignition switch to LOCK (0).
14. Replace the MAF sensor/IAT sensor (see page 11-224).
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 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.
Ar e t he connect i ons and t he t er mi nal s OK ?
Does t he v al ue of I AT SE N SOR d i f f er 3 ° C( 5.4 °F ) or mor e f r om t he ambi ent t emper at ur e? Does t he I AT SE N SOR change 33 ° C ( 5 9 ° F ) or
mor e f r om t he ambi ent t emper at ur e?
Is DTC P0111 indicated?
08/08/21 14:15:41 61SNR030_110_0085
ProCarManuals.com
DYNOMITE -2009-


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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
ProCarManuals.com
DYNOMITE -2009-

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NO
YES
NO
YES
NO
DTC P0113:
11-8711-87
MAF SENSOR/IAT SENSOR 5P CONNECTOR
IAT
(RED/YEL)
SG2
(GRN/BLK)
JUMPER WIRE
18. Reconnect all connectors.
19. Update the ECM/PCM if it does not have the latestsoftware (see page 11-227), or substitute a known-
good ECM/PCM (see page 11-7).
20. 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. 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. 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. Connect MAF sensor/IAT sensor 5P connector terminals No. 4 and No. 5 with a jumper wire.
6. Turn the ignition switch to ON (II).
7. ChecktheIATSENSORintheDATALISTwiththe HDS.
Go to step 8.
Go to step 20.
(cont’d)IAT Sensor Circuit High Voltage
Wire side of female terminals
Is DTC P0112 indicated? I s about 40 ° C ( 40 ° F ) or l ess, or 4.92 V orhigher indicated?
I s about 40 ° C ( 40 ° F ) or l ess, or 4.92 V orhigher indicated?
08/08/21 14:15:41 61SNR030_110_0087
ProCarManuals.com
DYNOMITE -2009-


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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)SG2 (GRN/BLK)
SG2 (GRN/BLK)
8. Turn the ignition switch to LOCK (0).
9. Remove the jumper wire from the MAF sensor/IAT sensor 5P connector.
10. Turn the ignition switch to ON (II).
11. Measure the voltage between MAF sensor/IAT sensor 5P connector terminal No. 5 and body
ground.
Go to step 12.
Go to step 16. 12. Turn the ignition switch to LOCK (0).
13. Jump the SCS line with the HDS.
14. Disconnect ECM/PCM connector B (44P).
15. Check for continuity between MAF sensor/IAT
sensor 5P connector terminal No. 4 and ECM/PCM
connector terminal B33.
Go to step 27.
Repair open in the wire between the ECM/
PCM (B33) and the MAF sensor/IAT sensor, then go
to step 22.
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 14:15:42 61SNR030_110_0088
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DYNOMITE -2009-

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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 SCS line with the HDS.
18. Disconnect ECM/PCM connector B (44P).
19. Check for continuity between MAF sensor/IAT sensor 5P connector terminal No. 5 and ECM/PCM
connector terminal B31.
Go to step 27.
Repair open in the wire between the ECM/
PCM (B31) and the MAF sensor/IAT sensor, then go
to step 22. 20. Turn the ignition switch to LOCK (0).
21. Replace the MAF sensor/IAT sensor (see page
11-224).
22. Reconnect all connectors.
23. Turn the ignition switch to ON (II).
24. Reset the ECM/PCM with the HDS.
25. Do the ECM/PCM idle learn procedure (see page 11-310).
26. 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.
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. 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. 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 P0113 indicated?
Is DTC P0113 indicated?
08/08/21 14:15:42 61SNR030_110_0089
ProCarManuals.com
DYNOMITE -2009-

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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
ProCarManuals.com
DYNOMITE -2009-