2006 ACURA CSX lock

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8-7
Low Oil Pressure Indicator Circuit Troubleshooting (Open)
ECM/PCM CONNECTOR B (44P)
OPSW
(YEL/RED)
OIL PRESSURE
SWITCH CONNECTOR
OPSW
(YEL/RED)
1. Connect the Honda Diagnostic System (HDS) to thedata link connector (DLC) (see step 2 on page 11-3).
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain
control module (PCM). If it does not communicate,
troubleshoot the DLC circuit (see page 11- 204).
4. Check for DTCs (see page 11-3). If a DTC is present, diagnose, and repair the cause before continuing
with this test.
5. Check the OIL PRESSURE SWITCH in the PGM-FI DATA LIST with the HDS.
Replace the gauge control module (tach)
(see page 22-277).
Go to step 6.
6. Turn the ignition switch to LOCK (0).
7. Check the oil pressure switch (see page 8-9).
Go to step 8.
Replace the oil pressure switch (see page 8-9).
8. Turn the ignition switch to ON (II), and jump the SCS line with the HDS, then turn the ignition switch
to LOCK (0).
NOTE: This step must be done to protect the ECM/
PCM from damage.
9. Disconnect ECM/PCM connector B (44P) and the oil pressure switch connector. 10. Check for continuity between ECM/PCM connector
terminal B7 and the oil pressure switch connector.
Update the ECM/PCM if it does not have the
latest software (see page 11-227), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original
ECM/PCM (see page 11-228).
Repair an open in the wire between the oil
pressure switch and ECM/PCM connector terminal
B7.
Terminal side of female terminals
Wire side of
female terminal
Is ON indicated?
I s t he oi l pr essur e sw i t ch OK ? Is there continuity?
08/08/21 14:36:41 61SNR030_080_0007
ProCarManuals.com
DYNOMITE -2009-

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8-8Engine Lubrication
Low Oil Pressure Indicator Circuit Troubleshooting (Short)
OIL PRESSURE SWITCH CONNECTOR
OPSW
(YEL/RED)
1. Connect the Honda Diagnostic System (HDS) to thedata link connector (DLC) (see step 2 on page 11-3).
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain
control module (PCM). If it does not communicate,
troubleshoot the DLC circuit (see page 11- 204).
4. Check for DTCs (see page 11-3). If a DTC is present, diagnose, and repair the cause before continuing
with this test.
5. Start the engine, and check the OIL PRESSURE SWITCH in the PGM-FI DATA LIST with the HDS.
Replace the gauge control module (tach)
(see page 22-277).
Go to step 6.
6. Turn the ignition switch to LOCK (0).
7. Disconnect the oil pressure switch connector.
8. Start the engine, and check the OIL PRESSURE SWITCH in the PGM-FI DATA LIST with the HDS.
Turn the ignition switch to LOCK (0), then go
to step 9.
Turn the ignition switch to LOCK (0), then go
to step 10.
9. Check the oil pressure switch (see page 8-9).
Do the oil pressure test (see page 8-10).
Replace the oil pressure switch (see page 8-9). 10. Turn the ignition switch to ON (II), and jump the
SCS line with the HDS, then turn the ignition switch
to LOCK (0).
NOTE: This step must be done to protect the ECM/
PCMfromdamage.
11. Disconnect ECM/PCM connector B (44P).
12. Check for continuity between the oil pressure switch connector and body ground.
Repair a short to ground in the wire between
the oil pressure switch and ECM/PCM connector
terminal B7.
Update the ECM/PCM if it does not have the
latest software (see page 11-227), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original
ECM/PCM (see page 11-228).
Wire side of female terminal
I s OF F i nd i cat ed ?
I s OF F i nd i cat ed ?I s t he oi l pr essur e sw i t ch OK ? Is there continuity?
08/08/21 14:36:42 61SNR030_080_0008
ProCarManuals.com
DYNOMITE -2009-


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Engine Oil Temperature: 80 °C (176 °F)
Engine Oil Pressure:
At Idle: 70 kPa (0.7 kgf/cm , 10 psi) min.
At 3,000 rpm: 300 kPa (3.1 kgf/cm , 44 psi) min.
K20Z2 engine
Capacity
AtOilChange:4.0L(4.2USqt)
At Oil Change including Filter: 4.2 L (4.4 US qt)
After Engine Overhaul: 5.3 L (5.6 US qt)
K20Z3 engine
Capacity
AtOilChange:4.2L(4.4USqt)
At Oil Change including Filter: 4.4 L (4.6 US qt)
After Engine Overhaul: 5.5 L (5.8 US qt)
2
2
8-108-10Engine Lubrication
Oil Pressure Test
Engine Oil Replacement
A A
39 N·m
(4.0 kgf·m, 29 lbf·ft)
B
NOTE: If the oil pressure warning indicator stays on
with the engine running, check the engine oil l
evel. If
the oil level is correct do the following test:
1. With the engine stopped, remove the oil pressure switch (see page 8-9), then install an oil pressure
gauge (A).
2. Start the engine. Shut it off immediately if the gauge registers no oil pressure. Repair the problem
before continuing.
3. Allow the engine to reach operating temperature (fan comes on at least twice). The pressure should
be:
4. If the oil pressure is out of specifications, inspect these items:
 Blocking of oil filter (see page 8-11).
 Blocking of oil screen.
 Inspect the oil pressure relief valve (see page 8-15).
 Inspect the oil pump (see page 8-17). 1. Warm up the engine.
2. Remove the drain bolt (A), and drain the engine oil.
3. Reinstall the drain bolt with a new washer (B).
4. Refill the engine with the recommended oil
(see page 3-2).
Do not overtighten.
08/08/21 14:36:43 61SNR030_080_0010
ProCarManuals.com
DYNOMITE -2009-



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 Special Tools Required
Tighten: 3/4 Turn Clockwise
Tightening Torque: 12 N·m (1.2 kgf·m, 8.7 lbf·ft)
8-118-11
Engine Oil Filter Replacement
A
B
07HAA-PJ70101
5. Run the engine for more than 3 minutes, then checkfor oil leakage.
6. Turn the ignition switch to LOCK (0).
7. Connect the Honda Diagnostic System (HDS) to the data link connector (DLC) (see step 2 on page 11-3).
8. Turn the ignition switch to ON (II).
9. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain
control module (PCM). If it does not communicate,
troubleshoot the DLC circuit (see page 11- 204).
10. Select GAUGES in the BODY ELECTRICAL menu with the HDS.
11. Select ADJUSTMENT in the GAUGES menu with the HDS.
12. Select SERVICE REMINDER in the ADJUSTMENT menu with the HDS.
13. Select RESET in the SERVICE REMINDER menu with the HDS.
14. Select RESETTING THE ENGINE OIL LIFE with the HDS.
NOTE: If you changed the automatic transmission
fluid (ATF) at the same time with the engine oil,
select RESETTING THE ENGINE OIL LIFE AND ATF
with the HDS instead. Oil filter wrench 07HAA-PJ70101
1. Remove the oil filter with the oil filter wrench.
2. Inspect the filter to make sure the rubber seal is not stuck to the oil filter seating surface of the engine.
3. Inspect the threads (A) and rubber seal (B) on the new filter. Clean the seat on the engine block, then
apply a light coat of new engine oil to the filter
rubber seal. Use only filters with a built-in bypass
system.
4. Install the oil filter by hand.
5. After the rubber seal seats, tighten the oil filter clockwise with the oil filter wrench.
(cont’d)
08/08/21 14:36:43 61SNR030_080_0011
ProCarManuals.com
DYNOMITE -2009-



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 Special Tools Required
Tighten: 3/4 Turn Clockwise
Tightening Torque: 12 N·m (1.2 kgf·m, 8.7 lbf·ft)
8-118-11
Engine Oil Filter Replacement
A
B
07HAA-PJ70101
5. Run the engine for more than 3 minutes, then checkfor oil leakage.
6. Turn the ignition switch to LOCK (0).
7. Connect the Honda Diagnostic System (HDS) to the data link connector (DLC) (see step 2 on page 11-3).
8. Turn the ignition switch to ON (II).
9. Make sure the HDS communicates with the vehicle and the engine control module (ECM)/powertrain
control module (PCM). If it does not communicate,
troubleshoot the DLC circuit (see page 11- 204).
10. Select GAUGES in the BODY ELECTRICAL menu with the HDS.
11. Select ADJUSTMENT in the GAUGES menu with the HDS.
12. Select SERVICE REMINDER in the ADJUSTMENT menu with the HDS.
13. Select RESET in the SERVICE REMINDER menu with the HDS.
14. Select RESETTING THE ENGINE OIL LIFE with the HDS.
NOTE: If you changed the automatic transmission
fluid (ATF) at the same time with the engine oil,
select RESETTING THE ENGINE OIL LIFE AND ATF
with the HDS instead. Oil filter wrench 07HAA-PJ70101
1. Remove the oil filter with the oil filter wrench.
2. Inspect the filter to make sure the rubber seal is not stuck to the oil filter seating surface of the engine.
3. Inspect the threads (A) and rubber seal (B) on the new filter. Clean the seat on the engine block, then
apply a light coat of new engine oil to the filter
rubber seal. Use only filters with a built-in bypass
system.
4. Install the oil filter by hand.
5. After the rubber seal seats, tighten the oil filter clockwise with the oil filter wrench.
(cont’d)
08/08/21 14:36:43 61SNR030_080_0011
ProCarManuals.com
DYNOMITE -2009-

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K20Z2 engine
8-128-12 Engine Lubrication
Engine Oil Filter Replacement
(cont’d)
Oil Filter Feed Pipe Replacement
A
6. If four numbers or marks (1 to 4 or to )
are printed around the outside of the filter, use the
following procedure to tighten the filter.
 Spin the filter on until its seal lightly seats against the engine block, and note which number or
mark is at the bottom.
 Tighten the filter by turning it clockwise three numbers or marks from the one you noted. For
example, if number 2 is at the bottom when the
seal is seated, tighten the filter until the number 1
comes around the bottom.
Number or
Mark when
rubber seal
is seated 1
or 2
or 3
or 4
or
Number or
Mark after
tightening 4
or 1
or 2
or 3
or
7. After installation, fill the engine with oil up to the specified level, run the engine for more than
3 minutes, then check for oil leakage. 1. Remove the oil filter (see page 8-11).
2. Remove the oil filter feed pipe.
3. Install the two 20 x 1.5 mm nuts (A) onto the new oil
filter feed pipe. Hold one nut with a wrench, then
use a second wrench to tighten the other nut.
4. Tighten the oil filter feed pipe to the block to 49 N·m (5.0 kgf·m, 36 lbf·ft), then remove the nuts
from the oil filter feed pipe.
5. Install the oil filter (see page 8-11).
Mark when rubber
seal is seated. Mark after tightening.
08/08/21 14:36:44 61SNR030_080_0012
ProCarManuals.com
DYNOMITE -2009-

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9-12Intake Manifold and Exhaust System
Exhaust Manifold Removal and Installation (cont’d)
EXHAUST MANIFOLD
COVER
8x1.25mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
10 x 1.25 mm
44 N·m
(4.5 kgf·m, 33 lbf·ft)
8x1.25mm
22 N·m (2.2 kgf·m, 16 lbf·ft) GASKET
GASKET
8x1.25mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
10x1.25mm
44 N·m
(4.5 kgf·m, 33 lbf·ft)
SELF-LOCKING NUT
10 x 1.25 mm
44 N·m (4.5 kgf·m, 33 lbf·ft)
EXHAUST MANIFOLD BRACKETHEAT SHIELD
9. Remove the cover and the exhaust manifold bracket, then remove the exhaust manifold.
10. Install the exhaust manifold, and tighten the bolts and nuts in a crisscross pattern in three steps, beginning with the inner bolt.
11. Install the other parts in the reverse order of removal.
12. Inspect for leaks. Turn the ignition switch to ON (II) (do not operate the starter) so the fuel pump runs for about 2 seconds and pressurizes the fuel line. Repeat this operation three times, then check for fuel leakage at any point
in the fuel line.
13. Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater valve open (see step 6 on page 10-8).
Tighten the bolts in steps,
alternating side-to-side.Replace.
Replace.
Replace.
08/08/21 14:37:38 61SNR030_090_0012
ProCarManuals.com
DYNOMITE -2009-

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K20Z2 engine
9-13
Exhaust Pipe and Muffler Replacement
6x1.0mm
10 N·m
(1.0 kgf·m, 7.2 lbf·ft) 8x1.25mm
22 N·m (2.2 kgf·m, 16 lbf·ft)
HEAT SHIELD
GASKET MUFFLER
EXHAUST PIPE B
SELF-LOCKING NUTS
10x1.25mm
33N·m(3.4kgf·m,25lbf·ft) GASKET
GASKET THREE WAY CATALYTIC CONVERTER
(TWC) ASSEMBLY
SECONDARY HEATED
OXYGEN SENSOR
(SECONDARY HO2S)
44N·m(4.5kgf·m,33lbf·ft)
AIR FUEL RATIO (A/F) SENSOR
44 N·m (4.5 kgf·m, 33 lbf·ft) 8x1.25mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
6x1.0mm
10 N·m
(1.0 kgf·m, 7.2 lbf·ft)
NOTE: Use new gaskets and self-locking nuts when reassembling.
Tighten the bolts in steps,
alternating side-to-side.
Replace.
Replace. Replace.
Replace. Tighten the bolts in steps,
alternating side-to-side.
08/08/21 14:37:38 61SNR030_090_0013
ProCarManuals.com
DYNOMITE -2009-