Content .. 115 116 117 118 ..

Acura RSX Honda Integra. Manual - part 117

０１

０２

−

YES

11-174

PGM-FI System

DTC Troubleshooting (cont’d)

IGNITION COIL 3P CONNECTOR

IG
(BLK/WHT)

IGNITION COIL 3P CONNECTOR

GND
(BLK)

27. Determine which cylinder had the misfire.

Replace the faulty injector (see page 11-277),

then go to step 63.

Go to step 28.

28. Turn the ignition switch OFF.

29. Disconnect the ignition coil 3P connector from the

problem cylinder.

30. Turn the ignition switch ON (II).

31. Measure voltage between ignition coil 3P

connector terminal No. 3 and body ground.

Go to step 32.

Repair open in the wire between the ignition

coil and the ignition coil relay, then go to step 63.

32. Turn the ignition switch OFF.

33. Check for continuity between ignition coil 3P

connector terminal No. 2 and body ground.

Go to step 34.

Repair open in the wire between the ignition

coil and G101, then go to step 63.

34. Turn the ignition switch OFF.

35. Jump the SCS line with the HDS.

36. Disconnect ECM/PCM connector A (31P).

Wire side of female terminals

Does the misf ir e occur in the cylinder wher e the
injector was moved?

Is ther e batter y voltage?

Is ther e continuity?

05/06/27 17:35:05 61S6M040_110_0174

０３

０４

０５

−

YES

11-175

ECM/PCM CONNECTOR A (31P)

IGPLS4 (BRN)

IGPLS1 (YEL/GRN)

IGPLS3
(WHT/BLU)

IGPLS2
(BLU/RED)

IGNITION COIL 3P CONNECTOR

JUMPER WIRE

IGPLS

ECM/PCM CONNECTOR A (31P)

IGPLS4 (BRN)

IGPLS1 (YEL/GRN)

IGPLS3
(WHT/BLU)

IGPLS2
(BLU/RED)

37. Check for continuity between body ground and the

appropriate ECM/PCM connector terminal (see
table).

PROBLEM
CYLINDER

DTC

ECM/PCM
TERMINAL

WIRE
COLOR

No. 1

P0301

A16

YEL/GRN

No. 2

P0302

A15

BLU/RED

No. 3

P0303

A14

WHT/BLU

No. 4

P0304

A13

BRN

Repair short in the wire between the ECM/

PCM and the ignition coil, then go to step 63.

Go to step 38.

38. Connect appropriate ignition coil 3P connector

terminal No. 1 to body ground with a jumper wire
(see table).

PROBLEM
CYLINDER

DTC

WIRE
COLOR

No. 1

P0301

YEL/GRN

No. 2

P0302

BLU/RED

No. 3

P0303

WHT/BLU

No. 4

P0304

BRN

39. Check for continuity between body ground and the

appropriate ECM/PCM connector terminal (see
table).

PROBLEM
CYLINDER

DTC

ECM/PCM
TERMINAL

WIRE
COLOR

No. 1

P0301

A16

YEL/GRN

No. 2

P0302

A15

BLU/RED

No. 3

P0303

A14

WHT/BLU

No. 4

P0304

A13

BRN

Go to step 40.

Repair open in the wire between the ECM/

PCM and the ignition coil, then go to step 63.

40. Reconnect the ignition coil 3P connector and ECM/

PCM connector A (31P).

41. Do an engine compression and a cylinder leakdown

test.

Go to step 42.

Repair the engine, then go to step 63.

42. Do the VTEC rocker arm test (see page 6-7).

Go to step 72.

Repair as necessary, then go to step 63.

(cont’d)

Wire side of female terminals

Is ther e continuity?

Did the engine pass both tests?

Did the V T EC r ocker ar m pass the test?

05/06/27 17:35:05 61S6M040_110_0175

０６

０７

０８

−

YES

11-176

PGM-FI System

DTC Troubleshooting (cont’d)

ECM/PCM CONNECTOR B (24P)

INJ3 (BLU)

INJ4
(YEL)

INJ2 (RED)

INJ1 (BRN)

INJECTOR 2P CONNECTOR

IGP
(YEL/BLK)

ECM/PCM CONNECTOR B (24P)

INJ3 (BLU)

INJ4
(YEL)

INJ2 (RED)

INJ1 (BRN)

43. Turn the ignition switch OFF.

44. Jump the SCS line with the HDS.

45. Disconnect ECM/PCM connector B (24P).

46. Turn the ignition switch ON (II).

47. Measure voltage between body ground and the

appropriate ECM/PCM connector terminal (see
table).

PROBLEM
CYLINDER

DTC

ECM/PCM
TERMINAL

WIRE
COLOR

No. 1

P0301

BRN

No. 2

P0302

RED

No. 3

P0303

BLU

No. 4

P0304

YEL

Go to step 57.

Go to step 48.

48. Turn the ignition switch OFF.

49. Remove the intake manifold cover (see step 1 on

page 9-3).

50. Disconnect the injector 2P connector from the

problem cylinder.

51. Turn the ignition switch ON (II).

52. Measure voltage between injector 2P connector

terminal No. 1 and body ground.

Go to step 53.

Repair open in the wire between the injector

and the PGM-FI main relay, then go to step 63.

53. Turn the ignition switch OFF.

54. Check for continuity between body ground and the

appropriate ECM/PCM connector terminal (see
table).

PROBLEM
CYLINDER

DTC

ECM/PCM
TERMINAL

WIRE
COLOR

No. 1

P0301

BRN

No. 2

P0302

RED

No. 3

P0303

BLU

No. 4

P0304

YEL

Repair short in the wire between the ECM/

PCM and the injector, then go to step 63.

Go to step 55.

Wire side of female terminals

Is ther e batter y voltage?

Is ther e continuity?

05/06/27 17:35:06 61S6M040_110_0176

−

０９

１０

１１

−

YES

11-177

INJECTOR 2P CONNECTOR

INJ

JUMPER WIRE

INJ3 (BLU)

INJ4
(YEL)

INJ2 (RED)

INJ1 (BRN)

ECM/PCM CONNECTOR B (24P)

INJECTOR 2P CONNECTOR

IGP

INJ

55. Connect appropriate injector 2P connector terminal

No. 2 to body ground with a jumper wire (see table).

PROBLEM
CYLINDER

DTC

WIRE
COLOR

No. 1

P0301

BRN

No. 2

P0302

RED

No. 3

P0303

BLU

No. 4

P0304

YEL

56. Check for continuity between body ground and the

appropriate ECM/PCM connector terminal (see
table).

PROBLEM
CYLINDER

DTC

ECM/PCM
TERMINAL

WIRE
COLOR

No. 1

P0301

BRN

No. 2

P0302

RED

No. 3

P0303

BLU

No. 4

P0304

YEL

Go to step 57.

Repair open in the wire between the ECM/

PCM and the injector, then go to step 63.

57. Measure resistance between injector 2P connector

terminals No. 1 and No. 2.

Go to step 58.

Replace the injector (see page 11-277), then

go to step 63.

58. Substitute a known-good injector from another

cylinder to the problem cylinder.

59. Reconnect ECM/PCM connector B (24P).

60. Start the engine, and let it idle for 2 minutes.

61. Test-drive the vehicle for several minutes in the

range of these recorded freeze data parameters:

• Engine speed
• Vehicle speed
• Throttle position
• CLV (calculated load value)
• Gear position

62. Check the CYL1 MISFIRE, CYL2 MISFIRE, CYL3

MISFIRE, and/or CYL4 MISFIRE in the DATA LIST
for 10 minutes with the HDS.

Go to step 72.

Replace the original injector (see page 11-277),

then go to step 63.

(cont’d)

Wire side of female terminals

Terminal side of male terminals

Is ther e continuity?

Is ther e 10

Does CY L1 MISF IRE, CY L2 MISF IRE, CY L3
MISF IRE, and/ or CY L4 MISF IRE show misf ir e
counts?

05/06/27 17:35:06 61S6M040_110_0177

Content .. 115 116 117 118 ..