Acura RSX Honda Integra. Manual — part 182
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YES
NO
11-434
EVAP System
DTC Troubleshooting (cont’d)
28. Update the ECM/PCM if it does not have the latest
software, or substitute a known-good ECM/PCM
(see page 11-6).
29. Check for Temporary DTCs or DTCs with the HDS.
If DTC P0452 is indicated, check for poor
connections or loose terminals at the FTP sensor
and the ECM/PCM, then go to step 1. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
If the ECM/PCM was updated, troubleshooting
is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-284).
Ar e any T empor ar y DT Cs or DT Cs indicated?
05/06/27 17:43:13 61S6M040_110_0434
01
S6M6AAJK72100090453FAAT00
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DTC P0453:
YES
NO
YES
NO
11-435
ECM/PCM CONNECTOR E (31P)
FTP (LT GRN)
FTP Sensor Circuit High Voltage
(2002-2004 models)
1. Check the vacuum lines of the FTP sensor for
misrouting, leakage, breakage, or clogging.
Go to step 2.
Repair or replace vacuum lines as
necessary.
2. Reset the ECM/PCM (see page 11-4).
3. Remove the fuel fill cap.
4. Turn the ignition switch ON (II).
5. Monitor the FTP sensor voltage with the HDS, or
measure voltage between body ground and ECM/
PCM connector terminal E14.
Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the FTP sensor and the ECM/PCM.
Go to step 6.
(cont’d)
Wire side of female terminals
Ar e the vacuum lines OK ?
Is ther e about 2.5 V ?
05/06/27 17:43:14 61S6M040_110_0435
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03
02
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YES
NO
YES
NO
YES
NO
11-436
EVAP System
DTC Troubleshooting (cont’d)
FTP SENSOR 3P CONNECTOR
VCC3 (YEL/BLU)
SG3 (PNK)
SG3 (PNK)
FTP SENSOR 3P CONNECTOR
FTP (LT GRN)
ECM/PCM CONNECTOR E (31P)
SG3 (PNK)
FTP (LT GRN)
6. Turn the ignition switch OFF.
7. Reinstall the fuel fill cap.
8. Disconnect the FTP sensor 3P connector.
9. Turn the ignition switch ON (II).
10. Measure voltage between FTP 3P connector
terminals No. 1 and No. 2.
Go to step 11.
Repair open in the wire between the FTP
sensor and the ECM/PCM (E4).
11. Measure voltage between FTP sensor 3P connector
terminals No. 2 and No. 3.
Replace the FTP sensor (see page 11-473).
Go to step 12.
12. Measure voltage between ECM/PCM connector
terminals E4 and E14.
Repair open in the wire between the FTP
sensor and the ECM/PCM (E14).
Update the ECM/PCM if it does not have the
latest software, or substitute a known-good ECM/
PCM (see page 11-6), then recheck. If the symptom/
indication goes away with a known-good ECM/PCM,
replace the original ECM/PCM (see page 11-284).
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e about 5 V ?
Is ther e about 5 V ?
Is ther e about 5 V ?
05/06/27 17:43:14 61S6M040_110_0436
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*02
S6M6AALK72100090453FAAT00
−
−
−
−
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DTC P0453:
YES
NO
YES
NO
YES
NO
YES
NO
11-437
FTP SENSOR 3P CONNECTOR
FTP
(LT GRN)
SG3
(PNK)
JUMPER WIRE
FTP SENSOR 3P CONNECTOR
SG3
(PNK)
VCC3
(YEL/BLU)
FTP Sensor Circuit High Voltage
(2005-2006 models)
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF.
4. Remove the fuel fill cap.
5. Turn the ignition switch ON (II).
6. Check the FTP SENSOR in the DATA LIST with the
HDS.
Go to step 10.
Go to step 7.
7. Install the fuel fill cap.
8. Start the engine. Hold the engine speed at
3,000 rpm without load (in Park or neutral) until the
radiator fan comes on, then let it idle.
9. Monitor the OBD STATUS for DTC P0453 in the
DTCs MENU with the HDS.
Go to step 10.
If the screen indicates PASSED, intermittent
failure, system is OK at this time. Check for poor
connections or loose terminals at the FTP sensor
and the ECM/PCM. If the screen indicates NOT
COMPLETED, go to step 6 and recheck.
10. Turn the ignition switch OFF.
11. Disconnect the FTP sensor 3P connector.
12. Connect FTP sensor 3P connector terminals No. 2
and No. 3 with a jumper wire.
13. Turn the ignition switch ON (II).
14. Check the FTP SENSOR in the DATA LIST with the
HDS.
Go to step 15.
Go to step 25.
15. Measure voltage between FTP sensor 3P connector
terminals No. 1 and No. 3.
Go to step 21.
Go to step 16.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Is about 7 .3 kPa ( 2.16 in.Hg, 55 mmHg), 4.7 V , or
mor e indicated?
Does the scr een indicate F AILED?
Is about 7 .3 kPa ( 2.16 in.Hg, 55 mmHg), 4.7 V , or
mor e indicated?
Is ther e about 5 V ?
05/06/27 17:43:14 61S6M040_110_0437
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