2006 ACURA CSX Service Repair Manual

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Page 529 of 2893

ACURA CSX 2006 Service Repair Manual
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Connector Terminal
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11-206
PGM-FI System
DLC Circuit Troubleshooting (cont’d)
DATA LINK CONNECTOR (DLC)
K-LINE (LT BLU)
JUMPER WIRE
DATA LINK

Page 530 of 2893

ACURA CSX 2006 Service Repair Manual

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11-207
DATA LINK CONNECTOR (DLC)
B(WHT)
GND (BLK)
DATA LINK CONNECTOR (DLC) JUMPER WIRE
CANH (WHT) ECM/PCM CONNECTOR A (44P)
CANH (WHT)
DATA LINK C

Page 531 of 2893

ACURA CSX 2006 Service Repair Manual µ
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11-208PGM-FI System
DLC Circuit Troubleshooting (cont’d)
ECM/PCM CONNECTOR A (44P)
CANL (RED)
38. Check for continuity between ECM/PCM connectortermi

Page 532 of 2893

ACURA CSX 2006 Service Repair Manual Î

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11-209
C PGM-FI MAIN RELAY 1 4P CONNECTOR
B
B
42. Inspect the No. 19 FI MAIN (15 A) fuse in the under- hood fuse/relay box.
Go to step 49.
Go to step

Page 533 of 2893

ACURA CSX 2006 Service Repair Manual
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11-210PGM-FI System
DLC Circuit Troubleshooting (cont’d)
IGP
PGM-FI MAIN RELAY 1 4P CONNECTOR
IGP
PGM-FI MAIN RELAY 1 4P CONNECTOR
46. Disconnec

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11-210PGM-FI System
DLC Circuit Troubleshooting (cont’d)
IGP
PGM-FI MAIN RELAY 1 4P CONNECTOR
IGP
PGM-FI MAIN RELAY 1 4P CONNECTOR
46. Disconnect each of the parts or connectors these
parts, one at a time, while checking for continuity
between PGM-FI main relay 1 4P connector
terminal No. 2 and body ground.
PGM-FI main relay 2 (FUEL PUMP)
ECM/PCM connector A (44P)
Each injector 2P connector
Camshaft position (CMP) sensor B 3P connector
Crankshaft position (CKP) sensor 3P connector
Ignition coil relay
Electronic throttle control system (ETCS) control relay
Replace the part that made the short to body
ground go away when disconnected. Reconnect all
connectors, then 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). Also replace the
No.19FIMAIN(15A)fuse.
Go to step 47.
47. Disconnect the connectors from these parts: PGM-FI main relay 2 (FUEL PUMP)
ECM/PCM connector A (44P)
Injectors
Camshaft position (CMP) sensor B
Crankshaft position (CKP) sensor
Ignition coil relay
Electronic throttle control system (ETCS) controlrelay 48. Check for continuity between PGM-FI main relay 1
4P connector terminal No. 2 and body ground.
Repair short in the wire between PGM-FI
main relay 1 and each part. Also replace the No. 19
FI MAIN (15 A) fuse.
Replace PGM-FI main relay 1. Also replace the
No.19FIMAIN(15A)fuse.
49. Inspect the No. 2 FUEL PUMP (15 A) fuse in the under-dash fuse/relay box.
Go to step 61.
Go to step 50.
50. Remove the blown No. 2 FUEL PUMP (15 A) fuse from the under-dash fuse/relay box.
Terminal side of female terminals Terminal side of female terminals
Does cont i nui t y go aw ay w hen one of t he abov e
component s i s d i sconnect ed ? Is there continuity?
IsthefuseOK?
08/08/21 14:21:57 61SNR030_110_0210
ProCarManuals.com
DYNOMITE -2009-

Page 534 of 2893

ACURA CSX 2006 Service Repair Manual Î
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11-211
A
PGM-FI MAIN RELAY 2 (FUEL PUMP) 4P CONNECTOR IG1 ECM/PCM CONNECTOR C (44P)
IG1 (BLK/GRN)
51. Remove PGM-FI main relay 2 (FUEL

Page 535 of 2893

ACURA CSX 2006 Service Repair Manual

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11-212PGM-FI System
DLC Circuit Troubleshooting (cont’d)
FUEL PUMP 4P CONNECTOR
FUEL PUMP
(GRN)
ECM/PCM CONNECTOR C (44P)
IG1 (BLK/GRN)
60. Check for continuit

Page 536 of 2893

ACURA CSX 2006 Service Repair Manual
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11-213
ECM/PCM CONNECTOR A (44P)
MRLY (GRN)
C B
PGM-FI MAIN RELAY 1 4P CONNECTOR
65. Measure the voltage between ECM/PCM connector
terminal A6 and b

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