Acura RSX Honda Integra. Manual — part 170
01
02
03
S6M6AEDK72100090661FAAT00
−
−
−
−
−
−
−
−
DTC P0661:
YES
NO
YES
NO
YES
NO
YES
NO
11-386
Intake Air System
DTC Troubleshooting (cont’d)
SG1
(GRN/WHT)
VCC1
(YEL/RED)
IMT (IMRC) VALVE POSITION
SENSOR 3P CONNECTOR
SG1
IMTVPS
(IMRCVPS)
IMT (IMRC) VALVE POSITION
SENSOR 3P CONNECTOR
IMTVPS
(IMRCVPS)
VCC1
IMT (IMRC) VALVE POSITION
SENSOR 3P CONNECTOR
IMT (IMRC) Valve Position Sensor
Circuit Low Voltage
(2005-2006 models)
1. Reset the ECM/PCM (see page 11-4).
2. Turn the ignition switch ON (II).
Go to step 3.
Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the IMT (IMRC) valve position sensor and the ECM/
PCM.
3. Turn the ignition switch OFF.
4. Disconnect the IMT (IMRC) valve position sensor 3P
connector.
5. Turn the ignition switch ON (II).
6. Measure voltage between IMT (IMRC) valve
position sensor 3P connector terminals No. 1 and
No. 3.
Go to step 7.
Go to step 15.
7. Turn the ignition switch OFF.
8. At the sensor side, measure resistance between
IMT (IMRC) valve position sensor 3P connector
terminals No. 2 and No. 3.
Go to step 9.
Go to step 16.
9. Measure resistance between IMT (IMRC) valve
position sensor 3P connector terminals No. 1 and
No. 2.
Go to step 10.
Go to step 16.
10. Jump the SCS line with the HDS.
11. Disconnect ECM/PCM connector A (31P).
Wire side of female terminals
Terminal side of male terminals
Terminal side of male terminals
Is DT C P0661 indicated?
Is ther e about 5 V ?
Is ther e about 3.2 k
at r oom temper atur e?
Is ther e about 9.5 k
at r oom temper atur e?
05/06/27 17:41:56 61S6M040_110_0386
04
05
06
07
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
11-387
IMTVPS
(IMRCVPS)
(RED/YEL)
IMT (IMRC) VALVE POSITION
SENSOR 3P CONNECTOR
ECM/PCM CONNECTOR B (24P)
IMTVPS
(IMRCVPS)
(RED/BLU)
JUMPER WIRE
IMTVPS
(IMRCVPS)
(RED/YEL)
IMT (IMRC) VALVE POSITION
SENSOR 3P CONNECTOR
ECM/PCM CONNECTOR A (31P)
VCC1
(YEL/RED)
SG1
(GRN/WHT)
12. At the wire harness side, check for continuity
between IMT (IMRC) valve position sensor 3P
connector terminal No. 2 and body ground.
Repair short in the wire between the ECM/
PCM (B22) and the IMT (IMRC) valve position
sensor, then go to step 17.
Go to step 13.
13. Connect ECM/PCM connector terminal B22 to body
ground with a jumper wire.
14. At the wire harness side, check for continuity
between IMT (IMRC) valve position sensor 3P
connector terminal No. 2 and body ground.
Go to step 22.
Repair open in the wire between the ECM/
PCM (B22) and the IMT (IMRC) valve position
sensor, then go to step 17.
15. Measure voltage between ECM/PCM connector
terminals A21 and A24.
Repair open in the wire between the ECM/
PCM (A21) and the IMT (IMRC) valve position
sensor, then go to step 17.
Go to step 22.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
Is ther e about 5 V ?
05/06/27 17:41:56 61S6M040_110_0387
−
−
−
−
YES
NO
YES
NO
11-388
Intake Air System
DTC Troubleshooting (cont’d)
16. Replace the IMT (IMRC) valve position sensor
(see page 11-413).
17. Reconnect all connectors.
18. Turn the ignition switch ON (II).
19. Reset the ECM/PCM with the HDS.
20. Do the ECM/PCM idle learn procedure (see page
11-349).
21. Check for Temporary DTCs or DTCs with the HDS.
If DTC P0661 is indicated, check for poor
connections or loose terminals at the IMT (IMRC)
valve position 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.
Troubleshooting is complete.
22. Update the ECM/PCM if it does not have the latest
software, or substitute a known-good ECM/PCM
(see page 11-6).
23. Check for Temporary DTCs or DTCs with the HDS.
If DTC P0661 is indicated, check for poor
connections or loose terminals at the IMT (IMRC)
valve position 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?
Ar e any T empor ar y DT Cs or DT Cs indicated?
05/06/27 17:41:56 61S6M040_110_0388
01
02
S6M6AEJK72100090662FAAT00
−
−
−
−
−
−
DTC P0662:
YES
NO
YES
NO
YES
NO
11-389
IMT (IMRC) VALVE POSITION
SENSOR 3P CONNECTOR
SG1
(GRN/WHT)
VCC1
(YEL/RED)
ECM/PCM CONNECTOR A (31P)
VCC1
(YEL/RED)
SG1
(GRN/WHT)
IMT (IMRC) Valve Position Sensor
Circuit High Voltage
(2002-2004 models)
1. Reset the ECM/PCM (see page 11-4).
2. Turn the ignition switch ON (II).
Go to step 3.
Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the IMT (IMRC) valve position sensor and the ECM/
PCM.
3. Turn the ignition switch OFF.
4. Disconnect the IMT (IMRC) valve position sensor 3P
connector.
5. Turn the ignition switch ON (II).
6. At the wire harness side, measure voltage between
IMT (IMRC) valve position sensor 3P connector
terminals No. 1 and No. 3.
Replace the IMT (IMRC) valve position
sensor (see page 11-413).
Go to step 7.
7. Measure voltage between ECM/PCM connector
terminals A11 and A21.
Repair open in the wire between the ECM/
PCM (A11) and the IMT (IMRC) valve position
sensor.
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
Is DT C P0662 indicated?
Is ther e about 5 V ?
Is ther e about 5 V ?
05/06/27 17:41:56 61S6M040_110_0389
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