Acura RSX Honda Integra. Manual — part 135
S6M6AALK72100092610FAAT00
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DTC P2610:
YES
NO
11-246
PGM-FI System
DTC Troubleshooting (cont’d)
ECM/PCM Internal Ignition Off
Internal Timer Malfunction
(2005-2006 models)
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
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 P2610 indicated?
05/06/27 17:38:33 61S6M040_110_0246
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S6M6AALK72100092A00FAAT00
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DTC P2A00:
YES
NO
YES
NO
YES
NO
11-247
A/F Sensor (Sensor 1) Circuit
Range/Performance Problem
(2005-2006 models)
NOTE: Information marked with asterisk ( ) applies to
K20Z1 engine.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. 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.
4. Test-drive under these conditions:
• Engine coolant temperature above 158 °F (70 °C)
• A/T in D position (M/T in 3rd gear)
• Drive the vehicle between 25
55 mph
(40
88 km/h) for 5 minutes
• Drive at a steady speed between 55
75 mph
(88
120 km/h) for 10 seconds, then slow down
with the throttle completely closed for 4 seconds
5. Monitor the OBD STATUS for DTC P2A00 in the
DTCs MENU with the HDS.
Go to step 6.
If the screen indicates PASSED, intermittent
failure, system is OK at this time. Check for poor
connections or loose terminals at the A/F sensor
(Sensor 1) and the ECM/PCM. If the screen
indicates EXECUTING, keep driving until a result
comes on. If the screen indicates OUT OF
CONDITION, go to step 3 and recheck.
6. Turn the ignition switch OFF.
7. Replace the A/F sensor (Sensor 1) (see page
11-279).
8. Turn the ignition switch ON (II).
9. Reset the ECM/PCM with the HDS.
10. Do the ECM/PCM idle learn procedure (see page
11-349).
11. Test-drive under these conditions:
• Engine coolant temperature above 158 °F (70 °C)
• A/T in D position (M/T in 3rd gear)
• Drive the vehicle between 25
55 mph
(40
88 km/h) for 5 minutes
• Drive at a steady speed between 55
75 mph
(88
120 km/h) for 10 seconds, then slow down
with the throttle completely closed for 4 seconds
12. Check for Temporary DTCs or DTCs with the HDS.
If DTC P2A00 is indicated, check for poor
connections or loose terminals at the A/F sensor
(Sensor 1) 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.
Go to step 13.
13. Monitor the OBD STATUS for DTC P2A00 in the
DTCs MENU with the HDS.
Troubleshooting is complete.
If the screen indicates FAILED, check for poor
connections or loose terminals at the A/F sensor
(Sensor 1) and the ECM/PCM, then go to step 1. If
the screen indicates EXECUTING, keep driving until
a result comes on. If the screen indicates OUT OF
CONDITION, go to step 10 and recheck.
Does the scr een indicate F AILED?
Ar e any T empor ar y DT Cs or DT Cs indicated?
Does the scr een indicate PASSED?
05/06/27 17:38:33 61S6M040_110_0247
S6M6AZFA20326939902FAAT00
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2002-2004 models
YES
NO
YES
NO
YES
NO
11-248
PGM-FI System
MIL Circuit Troubleshooting
1. Connect a scan tool or the HDS to the DLC
(see page 11-3).
2. Turn the ignition switch ON (II) and read a scan tool
or the HDS.
Go to step 3.
Go to troubleshooting ‘‘DLC Circuit
Troubleshooting’’ (see page 11-273).
3. Check a scan tool or the HDS for DTCs.
Go to the indicated DTC’s troubleshooting.
Go to step 4.
4. Turn the ignition switch OFF.
5. Turn the ignition switch ON (II) and watch the
malfunction indicator lamp (MIL).
If the MIL stays on, go to step 74. But if the
MIL sometimes works normally, first check for
these problems.
• An intermittent short in the wire between the
ECM/PCM (E29) and the data link connector (DLC).
• An intermittent short in the wire between the
ECM/PCM (E31) and the gauge assembly.
• The readiness codes are not set (see page 11-90).
(This is indicated if the MIL blinks 5 times after
you turn the ignition switch ON (II) and wait
about 20 seconds.)
If the MIL is always off, go to step 6. But if the
MIL sometimes works normally, first check for
these problems:
• A loose No. 10 METER (7.5 A) fuse in the under-
dash fuse/relay box.
• A loose No. 20 IG (USA: 40 A, Canada: 50 A) fuse
in the under-hood fuse/relay box.
• A loose No. 6 ECU (ECM/PCM) (15 A) fuse in the
under-hood fuse/relay box.
• A loose No. 17 FUEL PUMP (15 A) fuse in the
under-dash fuse/relay box.
• A poor connection at ECM/PCM terminal E31.
• An intermittent open in the GRN/ORN wire
between the ECM/PCM (E31) and the gauge
assembly.
• An intermittent short in the wire between the
ECM/PCM (A21) and the manifold absolute
pressure (MAP) sensor, intake manifold tuning
(IMT) (intake manifold runner control (IMRC))
valve position sensor, or output shaft
(countershaft) speed sensor (A/T).
• An intermittent short in the wire between the
ECM/PCM (A20) and the throttle position (TP)
sensor, input shaft (mainshaft) speed sensor
(A/T).
• An intermittent short in the wire between the
ECM/PCM (E5) and the fuel tank pressure (FTP)
sensor.
Does a scan tool or the HDS communicate with the
ECM/ PCM?
Ar e any DT Cs indicated?
Does the MIL come on and stay on f or mor e than
20 seconds?
05/06/27 17:38:33 61S6M040_110_0248
01
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YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
11-249
ECM/PCM CONNECTOR E (31P)
MIL
(GRN/ORN)
JUMPER WIRE
6. Check the low oil pressure indicator (with the
ignition switch ON).
Go to step 9.
Go to step 7.
7. Inspect the No. 10 METER (7.5 A) fuse in the under-
dash fuse/relay box.
Go to step 8.
Repair short in the wire between No. 10
METER (7.5 A) fuse and the gauge assembly. Also
replace the No. 10 METER (7.5 A) fuse.
8. Inspect the No. 20 IG (USA: 40 A, Canada: 50 A)
fuse in the under-hood fuse/relay box.
Repair open in the wire between the No. 20
IG (USA: 40 A, Canada: 50 A) fuse and the gauge
assembly. If the wires are OK, test the ignition
switch (see page 22-104).
Repair short in the wire between No. 20 IG
(USA: 40 A, Canada: 50 A) fuse and the under-dash
fuse/relay box. Also replace the No. 20 IG (USA:
40 A, Canada: 50 A) fuse.
9. Try to start the engine.
Go to step 10.
Go to step 13.
10. Turn the ignition switch OFF.
11. Connect ECM/PCM connector terminal E31 to body
ground with a jumper wire.
12. 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).
Check for an open in the wire between the
ECM/PCM (E31) and the gauge assembly. Also
check for a blown MIL bulb. If the wires and the
bulb are OK, replace the gauge assembly.
13. Turn the ignition switch OFF.
14. Inspect the No. 6 ECU (ECM/PCM) (15 A) fuse in the
under-hood fuse/relay box.
Go to step 22.
Go to step 15.
(cont’d)
Wire side of female terminals
Is the low oil pr essur e indicator on?
Is the f use OK ?
Is the f use OK ?
Does the engine star t?
Is the MIL on?
Is the f use OK ?
05/06/27 17:38:33 61S6M040_110_0249
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