Acura RSX Honda Integra. Manual — part 103
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01
01
02
S6M6AAJK72100090118FAAT00
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DTC P0118:
YES
NO
YES
NO
YES
NO
11-118
PGM-FI System
DTC Troubleshooting (cont’d)
ECT SENSOR 2P CONNECTOR
ECT
(RED/WHT)
SG2
(GRN/YEL)
JUMPER WIRE
ECT SENSOR 2P CONNECTOR
ECT
(RED/WHT)
ECT SENSOR 2P CONNECTOR
SG2
(GRN/YEL)
JUMPER WIRE
ECT Sensor Circuit High Voltage
(2002-2004 models)
1. Turn the ignition switch ON (II).
2. Check the ECT with a scan tool or the HDS.
Go to step 3.
Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the ECT sensor and the ECM/PCM.
3. Turn the ignition switch OFF.
4. Disconnect the ECT sensor 2P connector.
5. Connect ECT sensor 2P connector terminals No. 1
and No. 2 with a jumper wire.
6. Turn the ignition switch ON (II).
7. Check the ECT with a scan tool or the HDS.
Go to step 8.
Replace the ECT sensor (see page 11-280).
8. Turn the ignition switch OFF.
9. Remove the jumper wire.
10. Turn the ignition switch ON (II).
11. Measure voltage between ECT sensor 2P connector
terminal No. 1 and body ground.
Go to step 12.
Go to step 14.
12. Connect ECT sensor 2P connector terminal No. 2 to
body ground with a jumper wire.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is
4 °F (
20 °C) or less, or 5 V indicated?
Is
4 °F (
20 °C) or less, or 5 V indicated?
Is ther e about 5 V ?
05/06/27 17:33:39 61S6M040_110_0118
03
04
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YES
NO
YES
NO
11-119
SG2
(GRN/YEL)
ECM/PCM CONNECTOR A (31P)
ECT (RED/WHT)
ECM/PCM CONNECTOR B (24P)
13. Check for continuity between ECM/PCM connector
terminal A10 and body ground.
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).
Repair open in the wire between the ECM/
PCM (A10) and the ECT sensor.
14. Measure voltage between ECM/PCM connector
terminal B8 and body ground.
Repair open in the wire between the ECM/
PCM (B8) and the ECT 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 ther e continuity?
Is ther e about 5 V ?
05/06/27 17:33:40 61S6M040_110_0119
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01
02
03
S6M6AALK72100090118FAAT00
−
−
−
−
−
−
DTC P0118:
YES
NO
YES
NO
YES
NO
11-120
PGM-FI System
DTC Troubleshooting (cont’d)
ECT SENSOR 2P CONNECTOR
ECT
(RED/WHT)
SG2
(GRN/YEL)
JUMPER WIRE
ECT SENSOR 2P CONNECTOR
ECT
(RED/WHT)
ECT SENSOR 2P CONNECTOR
SG2
(GRN/YEL)
JUMPER WIRE
ECT Sensor Circuit High Voltage
(2005-2006 models)
1. Turn the ignition switch ON (II).
2. Check the ECT SENSOR in the DATA LIST with the
HDS.
Go to step 3.
Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the ECT sensor and the ECM/PCM.
3. Turn the ignition switch OFF.
4. Disconnect the ECT sensor 2P connector.
5. Connect ECT sensor 2P connector terminals No. 1
and No. 2 with a jumper wire.
6. Turn the ignition switch ON (II).
7. Check the ECT SENSOR in the DATA LIST with the
HDS.
Go to step 8.
Go to step 18.
8. Turn the ignition switch OFF.
9. Remove the jumper wire from the ECT sensor 2P
connector.
10. Turn the ignition switch ON (II).
11. Measure voltage between ECT sensor 2P connector
terminal No. 1 and body ground.
Go to step 12.
Go to step 17.
12. Turn the ignition switch OFF.
13. Jump the SCS line with the HDS.
14. Disconnect ECM/PCM connector A (31P).
15. Connect ECT sensor 2P connector terminal No. 2 to
body ground with a jumper wire.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is about
40 °F (
40 °C) or less, or 4.90 V or
mor e indicated?
Is about
40 °F (
40 °C) or less, or 4.90 V or
mor e indicated?
Is ther e about 5 V ?
05/06/27 17:33:40 61S6M040_110_0120
04
05
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−
−
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YES
NO
YES
NO
YES
NO
YES
NO
11-121
SG2
(GRN/YEL)
ECM/PCM CONNECTOR A (31P)
ECM/PCM CONNECTOR B (24P)
ECT (RED/WHT)
16. Check for continuity between ECM/PCM connector
terminal A23 and body ground.
Go to step 25.
Repair open in the wire between the ECM/
PCM (A23) and the ECT sensor, then go to step 20.
17. Measure voltage between ECM/PCM connector
terminal B8 and body ground.
Repair open in the wire between the ECM/
PCM (B8) and the ECT sensor, then go to step 20.
Go to step 25.
18. Turn the ignition switch OFF.
19. Replace the ECT sensor (see page 11-280).
20. Reconnect all connectors.
21. Turn the ignition switch ON (II).
22. Reset the ECM/PCM with the HDS.
23. Do the ECM/PCM idle learn procedure (see page
11-349).
24. Check for Temporary DTCs or DTCs with the HDS.
If DTC P0118 is indicated, check for poor
connections or loose terminals at the ECT 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.
25. Update the ECM/PCM if it does not have the latest
software, or substitute a known-good ECM/PCM
(see page 11-6).
26. Check for Temporary DTCs or DTCs with the HDS.
If DTC P0118 is indicated, check for poor
connections or loose terminals at the ECT 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).
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e about 5 V ?
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 17:34:17 61S6M040_110_0121
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