Acura RSX Honda Integra. Manual — part 22
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S6M6AZHA26100000000EAAT00
2005-2006 Models
4-24
Ignition System
Circuit Diagram (cont’d)
No. 6 (20 A)
BATTERY
UNDER-HOOD FUSE/RELAY BOX
No. 19 (100 A)
IGNITION
COIL
RELAY
No. 31 (15 A)
BLK/WHT
YEL/GRN
BLK/WHT
BLK
No. 1
BLK
BLK/WHT
BLU/RED
No. 2
No. 4
BRN
BLK/WHT
ICM
BLK
BLK
BLK/WHT
WHT/BLU
No. 3
ICM: Ignition Control Module
ECM/PCM
G101
ICM
ICM
ICM
IGPLS4
1
3
2
RED/YEL
BLU
UNDER-DASH
FUSE/RELAY
BOX
BLU
MRLY
4
1
3
2
IGNITION
COILS
SPARK
PLUGS
5V
IGPLS3
IGPLS2
IGPLS1
01
01
S6M6A00A26100000000MAAT00
±
±
Ignition Timing
M/T: 8°
2° BTDC (RED mark (B)) during idling
in neutral
A/T:
8°
2° BTDC (RED mark (B)) during idling
in P or N
4-25
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),
and check for DTCs. If a DTC is present, diagnose
and repair the cause before inspecting the ignition
timing.
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. Check the idle speed (see page 11-348).
4. Select ‘‘SCS’’ mode using the HDS.
5. Connect the timing light to the service loop.
6. Aim the light toward the pointers (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).
7. If the ignition timing differs from the specification,
check the cam timing. If the cam timing is OK,
update the engine control module (ECM)/
powertrain control module (PCM) if it does not
have the latest software (see page 11-6), or
substitute a known-good ECM/PCM (see page 11-7),
then recheck. If the system works properly, and the
ECM/PCM was substituted, replace the original
ECM/PCM (see page 11-284).
8. Turn the ignition switch OFF.
9. Disconnect the HDS and the timing light.
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−
−
−
−
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2005-2006 Models
YES
NO
YES
NO
YES
NO
4-26
4-26
Ignition System
Ignition Coil Removal/Installation
Ignition Coil Relay Circuit
Troubleshooting
6 x 1.0 mm
12 N·m (1.2 kgf·m, 8.7 lbf·ft)
6 x 1.0 mm
12 N·m
(1.2 kgf·m,
8.7 lbf·ft)
A
B
C
IGNITION COIL RELAY 4P SOCKET
1. Remove the ignition coil cover (A), disconnect the
ignition coil connectors (B), then remove the
ignition coils (C).
2. Install the ignition coils in the reverse order of
removal.
1. Check the No. 31 (15 A) fuse in the under-dash fuse/
relay box.
Go to step 2.
Replace the fuse.
2. Remove the ignition coil relay from the under-dash
fuse/relay box, and test it (see page 22-62).
Go to step 3.
Replace the ignition coil relay.
3. Measure the voltage between ignition coil relay 4P
socket terminal No. 1 and body ground, and
between terminal No. 4 and body ground.
Go to step 4.
Replace the under-dash fuse/relay box.
Terminal side of female terminals
Is the f use OK ?
Is the r elay OK ?
Is ther e batter y voltage?
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*03
*04
*05
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−
−
−
−
−
YES
NO
YES
NO
2002-2004 models
2005-2006 models
YES
NO
4-27
No.1 IGNITION COIL 3P CONNECTOR
IGNITION COIL RELAY 4P SOCKET
IGNITION COIL RELAY 4P SOCKET
IGNITION COIL RELAY 4P SOCKET
ECM/PCM
CONNECTOR E (31P)
MRLY (BLK/WHT)
IGNITION COIL RELAY 4P SOCKET
ECM/PCM
CONNECTOR E (31P)
MRLY (BLK/WHT)
4. Check for continuity between ignition coil relay 4P
socket terminal No. 2 and the No. 1, No. 2, No. 3
and No. 4 ignition coil 3P connector terminal No. 3.
Go to step 5.
Repair an open in the wire between ignition
coil relay 4P socket terminal No. 2 and ignition coil
3P connector terminal No. 3.
5. Connect the Honda Diagnostic System (HDS) to the
data link connector (DLC) (see step 2 on page 11-3).
Turn the ignition switch ON (II), and jump the SCS
line with the HDS, then turn the ignition switch OFF.
NOTE: This step must be done to protect the engine
control module (ECM)/ powertrain control module
(PCM) from damage.
6. Disconnect ECM/PCM connector E (31P).
7. Check for continuity between ignition coil relay 4P
socket terminal No. 3 and body ground.
Repair a short in the wire between ignition
coil relay 4P socket terminal No. 3 and the ECM/
PCM.
Go to step 8.
8. Check for continuity between ignition coil relay 4P
socket terminal No. 3 and ECM/PCM connector
terminal E7.
The system is OK at this time. Check for
loose or poor connections at the ignition coil relay
and the ECM/PCM (E7).
Repair an open in the wire between ignition
coil relay 4P socket terminal No. 3 and the ECM/
PCM (E7).
Terminal side of
female terminals
Wire side of
female terminals
Terminal side of female terminals
Terminal side of
female terminals
Wire side of female terminals
Terminal side of
female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
Is ther e continuity?
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