ACURA CSX 2006 Service Manual PDF

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4-13
Starter Overhaul
PLANETARY GEARS
RING GEAR HOLDER
SWITCH PLUNGER
GEAR COVER ASSEMBLY
SWITCH SHAFT DRIVE PLATE
BRUSH SPRING
BRUSH HOLDER
PUSH NUT
END COVER
ARMATURE HOUSING ARMATUREGEAR PLUNGER
CONTACT SPRING MOVING CONTACT
(cont’d)
Apply molybdenum
disulfide. Apply molybdenum
disulfide.
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Armature Inspection and Test
Commutator Diameter
Standard (New): 28.0 28.1 mm (1.102 1.106 in.)
Service Limit: 27.5 mm (1.083 in.)
Commutator Runout
Standard (New): 0.02 mm (0.0008 in.) max.
Service Limit: 0.05 mm (0.002 in.)
4-14Starting System
Starter Overhaul (cont’d)
A
BA
1. Remove the starter (see page 4-10).
2. Disassemble the starter as shown at the beginning
of this procedure.
3. Inspect the armature for wear or damage from contact with the permanent magnet. If there is wear
or damage, replace the armature.
4. Check the commutator (A) surface. If the surface is dirty or burnt, resurface it with an emery cloth or a
lathe to the specifications in step 5, or recondition
with 500 or 600 sandpaper (B). 5. Check the commutator diameter. If the diameter is
below the service limit, replace the armature.
6. Measure the commutator (A) runout.  If the commutator runout is within the servicelimit, check the commutator for carbon dust or
brass chips between the segments.
 If the commutator runout is not within the service limit, replace the armature.
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Commutator Mica Depth
Standard (New): 0.40 0.50 mm (0.016 0.020 in.)
Service Limit: 0.15 mm (0.006 in.)
4-15
A
B
C
D C
B
A
A
B
C
7. Check the mica depth (A). If the mica is too high (B),
undercut the mica with a ha cksaw blade to the
proper depth. Cut away all the mica (C) between
the commutator segments. The undercut should
not be too shallow, too narrow, or V-shaped (D).
8. Use an ohmmeter to check for continuity between the segments of the commutator. If there is an
open circuit between any of the segments, replace
the armature. 9. Place the armature (A) on an armature tester (B).
Hold a hacksaw blade (C) on the armature core. If
the blade is attracted to the core or vibrates while
the core is turned, the armature is shorted. Replace
the armature.
10. Use an ohmmeter check for continuity between the commutator (A) and the armature coil core (B), and
the between the commutator and the armature
shaft (C). If there is continuity, replace the armature.
(cont’d)
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Starter Brush Inspection
Brush Length
Standard (New): 11.1 11.5 mm (0.44 0.45 in.)
Service Limit: 4.3 mm (0.17 in.)
Starter Brush Holder Test Planetary Gear Inspection
4-16Starting System
Starter Overhaul (cont’d)
B
AB
A
11. Measure the brush length. If it is shorter than theservice limit, replace the brush holder assembly.
12. Check for continuity between the ( ) brushes (A) and the ( ) brushes (B). If there is continuity,
replace the brush holder assembly. 13. Check the planetary gears (A) and the internal ring
gear (B). Replace them if they are worn or damaged.
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Overrunning Clutch Inspection Starter Reassembly
4-17
B
A A
B CD
E
F
14. While holding the drive gear (A), turn the gear shaft (B) counterclockwise. Check that the drive
gear comes out to the other end. If the drive gear
does not move smoothly, replace the gear cover
assembly.
15. While holding the drive gear, turn the gear shaft clockwise. The gear shaft should turn freely. If the
gear shaft does not turn freely, replace the gear
cover assembly.
16. If the drive gear is worn or damaged, replace the overrunning clutch assembly; the gear is not
available separately.
Check the condition of the flywheel ring gear (M/T
model), or the torque converter ring gear (A/T
model) to see if the starter drive gear teeth are
damaged. 17. Install the brush into the brush holder, and set the
armature (A) in the brush holder (B).
NOTE: To seat the new brushes, slip a strip of 500
or 600 sandpaper, with the grit side up, between
the commutator and each brush, and smoothly turn
the armature. The contact surface of the brushes
will be sanded to the same contour as the
commutator.
18. While squeezing a spring (C), insert it in the hole on the brush holder, and push it until it bottoms.
Repeat this for the other three springs (D, E, and F).
19. Install the armature and the brush holder assembly into the housing.
NOTE: Make sure the armature stays in the holder.
08/08/21 14:09:28 61SNR030_040_0018
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4-18Ignition System
Component Location Index
IGNITION COIL
SPARK PLUG UNDER-HOOD
FUSE/RELAY BOX
IGNITION COIL RELAY
Ignition Timing Inspection, page 4-20
Removal/Installation, page 4-21
Inspection, page 4-21 Test, page 22-70
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4-19
Circuit Diagram
ICM
ICM ICM
ICM: Ignition Conotrol Module BLK BLK BLK
ICM
BLK/WHT BLK/WHT BLK/WHT BLK/WHT
5V
BLU
ECM/PCM
IGPLS4 IGPLS3 IGPLS2 IGPLS1 MRLY BLK/WHT
2 3
1 UNDER-HOOD FUSE/RELAY BOX
1
3 2
4
No. 18 (15 A)
GRN
No. 4 WHT/BLU
No. 3 No. 2 BLU/RED
BATTERY
YEL/GRN
BLK No. 1
BRN
G101G101 IGNITION
COIL
RELAY
IGNITION
COILS
SPARK
PLUGS E7
F9
C18 C17 C16 C15 A6
13 3
1
3
1
2
2
2 23
16
C101
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Ignition Timing
M/T model: 8 ° 2 ° BTDC (RED mark (B)) at
idle in neutral
A/T model: 8 ° 2 ° BTDC (RED mark (B)) at idle in N or P
4-20Ignition System
Ignition Timing Inspection
A
B
1. Connect the Honda Diagnostic System (HDS) to the data 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. Hold the engine speed at 3,000 rpm with no load (in N or P (A/T model) or
neutral (M/T model)) until the radiator fan comes
on, then let it idle.
6. Check the idle speed (see page 11-309).
7. Jump the SCS line with the HDS.
8. Connect the timing light to the service loop (white tape). 9. Aim the light toward the pointer (A) on the cam
chain case. Check the ignition timing under a no
load condition (headlights, blower fan, rear window
defogger, and air conditioner are turned off).
10. If the ignition timing differs from the specification, check the cam timing. If the cam timing is OK,
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
system work properly, and the ECM/PCM was
substituted, replace the original ECM/PCM
(see page 11-228).
11. Disconnect the HDS and the timing light.
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4-214-21
Ignition Coil Removal/Installation Spark Plug Inspection
A B
C 6x1.0mm
10 N·m (1.0 kgf·m, 7.2 lbf·ft)
6x1.0mm
12 N·m
(1.2 kgf·m,
8.7 lbf·ft) Impropergap
 Oil-fouling
 Carbon deposits
 Cracked centerelectrode insulator
Worn or deformed
electrodes
Damaged
gasket
Cracked
insulator
1. Remove the ignition coil cover (A).
2. Disconnect the ignition coil connectors (B), then remove the ignition coils (C).
3. Install the ignition coils in the reverse order of removal. 1. Remove the spark plugs, then inspect the
electrodes and the ceramic insulator.
 Burned or worn electrodes may be caused by these conditions:
– Advanced ignition timing
– Loose spark plug
– Plug heat range too hot
– Insufficient cooling
 Fouled plugs may be caused by these conditions: – Retarded ignition timing
– Oil in combustion chamber
– Incorrect spark plug gap
– Plug heat range too cold
– Excessive idling/low speed running
– Clogged air cleaner element
– Deteriorated ignition coils
2. If the spark plug electrode is dirty or contaminated, clean the electrode with a plug cleaner.
NOTE: Do not use a wire brush or scrape the iridium electrode since this will damage the electrode.
 When using a sand blaster spark plug cleaner, do not clean for more than 20 seconds to avoid
damaging the electrode.
(cont’d)
08/08/21 14:10:07 61SNR030_040_0022
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Spark Plugs
K20Z2 engine
DENSO: SKJ20DR-M11
K20Z3 engine
DENSO: SK22PR-M11S
Electrode Gap
Standard(New): 1.0 1.1 mm (0.039 0.043 in.)
4-22 Ignition System
Spark Plug Inspection (cont’d)
B
A
3. Replace the plug at the specified interval or if the
center electrode (A) is rounded, or if the spark plug
gap (B) is out of specification. Use only the listed
spark plugs.
NOTE: Do not adjust the gap of iridium tip plugs.
4. Apply a small amount of anti-seize compound to the plug threads, and screw the plugs into the
cylinder head, finger-tight. Torque them to 18 N·m
(1.8 kgf·m, 13 lbf·ft).
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