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NismoCedric

problems after swap

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NismoCedric    1

Hello from Russia my dear friends =)

Initially there was a cedric 34 body of the 2nd generation with a motor of vq25dd, I swap a vq30det with a сedric 1 version ... And as we know in the 2nd version the control of the digital bus, and in the first analog, I went the complicated way but nevertheless started the engine. After a long work there was only one mistake, check the engine - "there is no communication with the speed sensor". The podium panel remained with the 2 versions of the cars (digital bus), and all the wiring and ECU with 1 version (analog bus). Because of this error, the automatic machine works in emergency mode. There is no information on EСU pinouts and engine, nothing at all ... Help solve the problem.

sorry for my english =)

179555567.jpg

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Leroy Peterson    1,183

nice car!

In Australia, the VQ30DD model is not allowed to be imported from Japan, so most of the english info on them is from New Zealand. There is not much information available. Isn't the Gloria a common import to Russia? I have come across Russian Y34 information on a few forums. http://www.club-nissan.ru/forums/

I thought Y34 ECU pinout was the same as NM35 (VQ30DET vs VQ25DET), but someone who has re-wired a VQ30DET ECU for a S14 build says its not. http://zilvia.net/f/showthread.php?t=492211
(he's also a member on SAU)

http://www.skyline-gt.com/forums/index.php?showtopic=534054

This is Y33 ECU pinout (it could be the same)

1. Ignition signal
2. Ignition check
3. Tachnometer
4. ECCS relay
5. RPM (confirmed by Gizzmo Electronics dual stage shiftlight manual)
6. Evap canister purge volume control valve
7. A/T check signal
8. Fuel pump relay
9. Air conditioner triple-pressure switch
10. ECCS ground
13. Cooling fan relay (high)
14. Cooling fan relay (low)
15. Air conditioner relay
16. EVAP canister purge volume control valve
17. EVAP canister purge volume control valve
18. Malfunction indicator lamp
19. ECCS ground.
20. Start signal
21. Air conditioner switch
22. Inhibitor switch
23. Throttle position sensor (confirmed by Apexi SAFC manual)
24. A/T signal No.1
25. Power steering oil pressure switch
26. Vehicle speed sensor (confirmed by apexi RSM manual
27. Throttle position switch (closed position)
28. Intake air temperature sensor
29. A/T signal No.2
30. A/t signal No.3
33. Throttle position sensor signal
37. Ambient air temperature switch
38. ignition switch
39. ECCS ground (confirmed by Gizzmo Electronics dual stage shiftlight manual)
40. Camshaft position sensor (Reference signal)
41. Camshaft position sensor (Position signal)
43. ECCS ground
44. Camshaft position sensor (Reference signal)
46. Front heated oxygen sensor (confirmed by Apexi auto timer manual)
47. Mass air flow sensor (confirmed by Apexi SAFC manual)
48. Mass air flow sensor ground
49. Sensor' power supply
50. Sensors' ground
51. Engine coolant temperature sensor
52. Rear heated oxygen sensor
53. Crankshaft position sensor (OBD)
54. Knock sensor (confirmed by Apexi SAFC manual)
55. Rear window defogger relay
56. Power supply for ECM (confirmed by Gizzmo Electronics dual stage shiftlight manual) (IGN?)
58. Data link connector for GST
60. Headlamp switch
61. Power supply for ECM
62. EGR temperature sensor
63. Tank fuel temperature sensor
64. Data link connector for Consult
65. Data link connector for Consult
66. Absolute pressure sensor
67. EVAP control system pressure sensor
68. Data link connector for Consult
69. MAP/BARO switch solenoid valve
70. Power supply (backup) - referred to as power supply by apexi RSM manual
101. IACV-AAC valve
102. Injector No.1
103. EGRC-solenoid valve
104. Injector No.3
105. EVAP canister purge control solenoid valve
106. ECCS ground
107. Injector No.2
108. EVAP canister vent control valve
109. Injector No.4
110. Rear heated oxygen sensor
112. ECCS ground
113. Current return
114. REC relay
115. Front heated oxygen sensor
117. Vacuum cut valve bypass valve
118. ECCS ground.

 

6214231.jpg

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NismoCedric    1
  • Topic Author
  •     Russia is a unique country =)) The concept of supply of a specific model of the car does not exist, we carry everything that has 4 wheels, bypassing all possible laws and customs control. In our market officially Japanese cars with right-hand drive were not delivered and we are taking them through customs.

        Russian forums talked about information on the site vq30det.com but this site was closed ...As far as I know the ECU pins on 33 and 34 differ, tomorrow I will check the scheme that you gave, Thank you.

    http://www.nismo-club.ru/forum/

    http://www.gloria-cedric.ru/

    http://www.clubskyline.ru/forum/index.php

    The most informative forums on nissan, a lot of information, may come in handy

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    Leroy Peterson    1,183

    Yeah I suspect the 33 and 34 are different. They run the same gearbox and turbo etc just not sure about the throttle setup (basically a dodgy drive-by-wire system)

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