Acura RSX Honda Integra. Manual — part 125
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YES
NO
11-206
PGM-FI System
DTC Troubleshooting (cont’d)
24. Update the ECM if it does not have the latest
software, or substitute a known-good ECM
(see page 11-6).
25. Test-drive under these conditions:
• Engine coolant temperature above 158 °F (70 °C)
• Transmission in 5th gear
• Engine speed at 2,000
3,000 rpm
• Drive for several minutes, then decelerate (with
the throttle fully closed) for 8 seconds
26. Check for Temporary DTCs or DTCs with the HDS.
If DTC P0720 is indicated, check for poor
connections or loose terminals at the output shaft
(countershaft) speed sensor and the ECM, then go
to step 1. If any other Temporary DTCs or DTCs are
indicated, go to the indicated DTC’s
troubleshooting.
If the ECM was updated, troubleshooting is
complete. If the ECM was substituted, replace the
original ECM (see page 11-284).
Ar e any T empor ar y DT Cs or DT Cs indicated?
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DTC P1106:
DTC P2227:
DTC P1107:
DTC P1108:
DTC P2228:
DTC P2229:
YES
NO
YES
NO
11-207
11-207
BARO Sensor Circuit Range/
Performance Problem
(2002-2003 models)
BARO Sensor Circuit Range/
Performance Problem
(2004 model)
BARO Sensor Circuit Low Voltage
(2002-2003 models)
BARO Sensor Circuit High
Voltage
(2002-2003 models)
BARO Sensor Circuit Low Voltage
(2004 model)
BARO Sensor Circuit High
Voltage
(2004 model)
NOTE:
• Information marked with an asterisk ( ) applies to
2002-2003 models.
• Information marked with double asterisk (
) applies
to 2004 model.
1. Reset the ECM/PCM (see page 11-4).
2. 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.
3. Test-drive with the A/T in D position, or the M/T in
4th gear.
4. Accelerate for 5 seconds using wide open throttle.
5. Check for a Temporary DTC with a scan tool or the
HDS.
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).
Intermittent failure, system is OK at this
time.
NOTE:
• Information marked with an asterisk ( ) applies to
2002-2003 models.
• Information marked with double asterisk (
) applies
to 2004 model.
1. Reset the ECM/PCM (see page 11-4).
2. Turn the ignition switch ON (II).
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).
Intermittent failure, system is OK at this
time.
Is T empor ar y DT C P1106 ( P2227 )
indicated?
Is DT C P1107 ( P2228)
or P1108 ( P2229)
indicated?
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DTC P1109:
YES
NO
11-208
PGM-FI System
DTC Troubleshooting (cont’d)
BARO Sensor Circuit Out of
Range High
(2005-2006 models)
1. Reset the ECM/PCM with the HDS.
2. Start the engine.
3. Check for Temporary DTCs or DTCs with the HDS.
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).
Intermittent failure, system is OK at this
time.
Is DT C P1109 indicated?
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DTC P1121:
YES
NO
11-209
TP Sensor Signal Lower Than
Expected
(2002-2004 models)
NOTE: Information marked with
1 applies to K20A3
engine;
2 applies to K20A2 engine.
1. Turn the ignition switch ON (II).
2. Check the throttle position with a scan tool or the
HDS.
Intermittent failure, system is OK at this
time.
Replace the throttle body, K20A2 engine
(see page 11-410), K20A3 engine (see page 11-411).
Is 12.6 %, 0.6 V
( 12.9 %, 0.6 V )
, or higher
indicated when the thr ottle is f ully opened?
1
2
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