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Honda Ridgeline. Manual - part 91

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YES

11-128

PGM-FI System

DTC Troubleshooting (cont’d)

24. Turn the ignition switch OFF.

25. Disconnect the IMT actuator 5P connector.

26. Turn the ignition switch ON (II).

27. Clear the DTC with the HDS.

28. Check for Temporary DTCs or DTCs with the HDS.

Go to step 29.

Replace the IMT actuator (see page 11-316),

then go to step 53.

29. Turn the ignition switch OFF.

30. Disconnect the EGR valve 6P connector.

31. Turn the ignition switch ON (II).

32. Clear the DTC with the HDS.

33. Check for Temporary DTCs or DTCs with the HDS.

Go to step 34.

Replace the EGR valve (see page 11-342),

then go to step 53.

34. Turn the ignition switch OFF.

35. Disconnect the FTP sensor 3P connector.

36. Turn the ignition switch ON (II).

37. Clear the DTC with the HDS.

38. Check for Temporary DTCs or DTCs with the HDS.

Go to step 39.

Replace the FTP sensor (see page 11-374),

then go to step 53.

39. Turn the ignition switch OFF.

40. Disconnect the input shaft (mainshaft) speed

sensor 3P connector.

41. Turn the ignition switch ON (II).

42. Clear the DTC with the HDS.

43. Check for Temporary DTCs or DTCs with the HDS.

Go to step 44.

Replace the input shaft (mainshaft) speed

sensor (see page 14-205), then go to step 53.

44. Turn the ignition switch OFF.

45. Disconnect the output shaft (countershaft) speed

sensor 3P connector.

46. Turn the ignition switch ON (II).

47. Clear the DTC with the HDS.

48. Check for Temporary DTCs or DTCs with the HDS.

Go to step 49.

Replace the output shaft (countershaft) speed

sensor (see page 14-205), then go to step 53.

49. Turn the ignition switch OFF.

50. Jump the SCS line with the HDS.

51. Disconnect PCM connectors A (44P), B (44P), and

C (44P).

Is DT C P0641 indicated?

＊０１

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YES

11-129

PCM CONNECTORS

VCC4
(WHT)

A (44P)

VCC7 (YEL/BLU)

B (44P)

C (44P)

VCC1 (YEL/RED)

VCC5
(BLU)

VCC6 (YEL/BLU)

VCC2 (YEL/BLU)

52. Check for continuity between body ground and

PCM connector terminals A19, A25, B18, B19, C12,
and C13 individually.

Repair short in the wire between the PCM

(A19, A25, B18, B19, C12, or C13) and each sensor,
then go to step 53.

Go to step 59.

53. Turn the ignition switch OFF.

54. Reconnect all connectors.

55. Turn the ignition switch ON (II).

56. Reset the PCM with the HDS.

57. Do the PCM idle learn procedure (see page 11-273).

58. Check for Temporary DTCs or DTCs with the HDS.

Check for poor connections or loose

terminals at the PCM and these connectors:

• MAP sensor
• APP sensor
• Front/rear A/F sensor (Sensor 1)
• IMT actuator
• EGR valve
• FTP sensor
• Input shaft (mainshaft) speed sensor
• Output shaft (countershaft) speed sensor

After checking the above, go to step 1.

Troubleshooting is complete. If any other

Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.

(cont’d)

Terminal side of female terminals

Is ther e continuity?

Is DT C P0641 indicated?

ＳＪＣ８Ａ００Ｋ７７１０００９０６８５ＦＡＡＴ３０

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YES

DTC P0685:

11-130

PGM-FI System

DTC Troubleshooting (cont’d)

59. Reconnect all connectors.

60. Update the PCM if it does not have the latest

software (see page 11-7), or substitute a known-
good PCM (see page 11-8).

61. Check for Temporary DTCs or DTCs with the HDS.

Check for poor connections or loose

terminals at the PCM and these connectors:

• MAP sensor
• APP sensor
• Front/rear A/F sensor (Sensor 1)
• IMT actuator
• EGR valve
• FTP sensor
• Input shaft (mainshaft) speed sensor
• Output shaft (countershaft) speed sensor

If the PCM was updated, substitute a known-good
PCM (see page 11-8), then recheck. If the PCM was
substituted, go to step 1.

If the PCM was updated, troubleshooting is

complete. If the PCM was substituted, replace the
original PCM (see page 11-205). If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.

NOTE:

• Before you troubleshoot, record all freeze data and

any on-board snapshot, and review the general
troubleshooting information (see page 11-3).

• If the problem does not return after clearing the DTC,

or if this DTC is stored intermittently, check for loose
terminals at the IGP line connectors before you
replace the PCM.

1. Turn the ignition switch ON (II).

2. Clear the DTC with the HDS.

3. Check for Temporary DTCs or DTCs with the HDS.

Go to step 4.

Intermittent failure, the system is OK at this

time. If any other Temporary DTCs or DTCs are
indicated, go to the indicated DTC’s
troubleshooting.

4. Update the PCM if it does not have the latest

software (see page 11-7), or substitute a known-
good PCM (see page 11-8).

5. Check for Temporary DTCs or DTCs with the HDS.

If the PCM was updated, substitute a known-

good PCM (see page 11-8), then recheck. If the PCM
was substituted, go to step 1.

If the PCM was updated, troubleshooting is

complete. If the PCM was substituted, replace the
original PCM (see page 11-205). If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.

PCM Power Control Circuit/

Internal Circuit Malfunction

Is DT C P0641 indicated?

Is DT C P0685 indicated?

ＳＪＣ８Ａ００Ｋ７７１０００９０７００ＦＡＡＴ００

ＳＪＣ８Ａ００Ｋ７７１０００９１１０９ＦＡＡＴ００

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DTC P0700:

DTC P1109:

YES

11-131

A/T Control System Malfunction

BARO Sensor Circuit Out of

Range High

NOTE:

• Before you troubleshoot, record all freeze data and

any on-board snapshot, and review the general
troubleshooting information (see page 11-3).

• This DTC is stored when there is a problem in the A/T

control system. Check for A/T DTCs with the HDS, and
go to the indicated DTC’s troubleshooting.

NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).

1. Reset the PCM with the HDS.

2. Start the engine.

3. Check for Temporary DTCs or DTCs with the HDS.

Go to step 4.

Intermittent failure, the system is OK at this

time. If any other Temporary DTCs or DTCs are
indicated, go to the indicated DTC’s
troubleshooting.

4. Update the PCM if it does not have the latest

software (see page 11-7), or substitute a known-
good PCM (see page 11-8).

5. Check for Temporary DTCs or DTCs with the HDS.

If the PCM was updated, substitute a known-

good PCM (see page 11-8), then recheck. If the PCM
was substituted, go to step 1.

If the PCM was updated, troubleshooting is

complete. If the PCM was substituted, replace the
original PCM (see page 11-205). If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.

Is DT C P1109 indicated?

Content .. 89 90 91 92 ..