4g61t.org

Specializing in the 3g CSM
It is currently Thu Oct 03, 2024 10:02 pm

All times are UTC-05:00




Post new topic  Reply to topic  [ 1 post ] 
Author Message
PostPosted: Fri Oct 07, 2005 6:55 pm 
Offline
CSM Expert
User avatar

Joined: Mon Jul 22, 2002 8:58 pm
Posts: 1187
Location: KCMO
MITSUBISHI LANCER CA & CB 1.5L (4G15 Engine), Cyborg, CSM 1988-92 Engine Management System

ECM
The ECM is located behind the Left Hand Kick Panel for RHD (Right hand in North America for LHD).

ECM Voltage Table

Image


1 to 24 Connector

Pin # Circuit and Status......................................... Voltage
1 Diagnostic Connector Fault Code Output
Terminal 1
Diagnostic Connector Grounded........................ Low Volts

2 Diagnostic Connector Idle Speed Disable
Terminal 10
Diagnostic Connector Grounded........................ Low Volts

4 Oxygen Sensor Signal
Engine Warm
Engine Running.............................................. 0.2 to 0.8 Volts
Normal Signal................................................ 0.5 Volts Approx.

Normally fluctuates 7 to 8 times in 10 Seconds

5 Power Steering Switch
Ignition ON
Steering wheel at rest...................................... Battery Volts
Steering wheel turned from rest position............ Low Volts

6 Idle Switch
(Inside Motor Position Sensor)
Ignition ON
Throttle at rest position.................................... Low Volts
Throttle open................................................... Battery Volts

7 A/C On Request Signal
Signal meets ON specifications........................ Low Volts
Signal does not meet ON specifications............ 0 Volts

8 Air Mass Meter
Air Charge Temperature Sensor Output
Ignition ON
Air Temperature @ 20° C
Engine Running............................................... 4 to 5 Volts

Voltage Output Decreases with Increase in Temperature.


10 Air Mass Meter Air Flow Sensor Output
Ignition ON...................................................... 5 Volts
Engine Running.............................................. Digital Signal

Output Signal Increases in Frequency with Increase in Air Flow.

12 Spark Advance Disable Connector
Connector NOT Grounded................................ 5 Volts
Connector Grounded........................................ Low Volts

13 ECM 5 Volt Output
Ignition ON..................................................... 5 Volts


14 Sensor Ground
Ignition ON / OFF........................................... 0 Volts


16 Air Mass Meter
Barometric Air Pressure Sensor Output
Ignition ON
BAP approximately 103 kPa (Sea level)............ 4 Volts Approx.

17 Motor Position Sensor Output Signal
Ignition ON
Dependant on ISC servo motor position............. Up to 5 Volts

18 Vehicle Speed Sensor
Ignition ON...................................................... Low or 5 Volts
Engine Running............................................... Digital Signal
5 Volt square wave
Oscilloscope Pattern

19 Throttle Position Sensor Output Signal
Ignition ON
Throttle at rest................................................. 0.48 to 0.52 Volts
Throttle fully open............................................ 4.8 to 5.2 Volts

20 Engine Coolant Temperature Sensor
Ignition ON
Engine Cold.................................................... 2 to 3 Volts
Engine Warm.................................................. Approx. 1 Volt

21 Crank Angle Sensor
Engine Cranking or Running............................. Digital Signal
5 Volt square wave
Oscilloscope Pattern

22 # 1 Cylinder TDC Sensor
Engine Cranking or Running............................. Digital Signal
5 Volt square wave
Oscilloscope Pattern


23 ECM 5 Volt Output
Ignition ON...................................................... 5 Volts

24 Sensor Ground
Ignition ON / OFF............................................ 0 Volts


51 to 68 Connector

Pin # Circuit and Status......................................... Voltage
51 Injector Ground
Ignition ON.................................................... Battery Volts

52 Injector Ground
Ignition ON..................................................... Battery Volts

54 Coil Switching Power Transistor
Engine cranking or running............................... Digital signal

56 Control Relay Ground
Control relay energised.................................... Low Volts

58 Idle Speed Control Motor
Ignition ON..................................................... Battery Volts
Engine running................................................ Low volt pulses

59 Idle Speed Control Motor
Ignition ON..................................................... Battery Volts
Engine running................................................ Low Volt pulses

60 Injector Ground
Ignition ON..................................................... Battery Volts

61 Injector Ground
Ignition ON..................................................... Battery Volts

62 Canister Purge (If Fitted)
Ignition ON
Engine OFF.................................................... Battery Volts

64 Engine Checklight Ground
Engine Running
Engine Checklight OFF................................... Battery Volts

65 A/C Relay Coil Ground
Relay energised.............................................. Low Volts


101 to 110 Connector

Pin # Circuit and Status......................................... Voltage
101 ECM Ground
Ignition ON / OFF............................................ 0 Volts

102 ECM Supply Volts
Control relay energised.................................... Battery Volts

103 ECM Supply Volts Permanent RAM Supply
Ignition ON / OFF............................................ Battery Volts

104 ECM Ground
Manual Transmission
Ignition ON / OFF............................................ 0 Volts

104 Neutral / Drive Signal
Automatic Transmission
Ignition ON
Park or Neutral Selected................................. Low Volts
Any Other Gears Selected.............................. Battery Volts

106 ECM Ground
Ignition ON / OFF............................................ 0 Volts

107 Supply Volts for ECM / Sensors
Control relay energised.................................... Battery Volts

108 Start Signal
Manual Transmission
Engine cranking.............................................. Battery Volts

108 Neutral / Drive Signal
Automatic Transmission
Ignition ON
Park or Neutral Selected................................. Low Volts
Any Other Gears Selected.............................. Battery Volts

109 Fuel Pump Voltage Supply Monitor
Fuel Pump Running......................................... Low Volts

_________________
http://members.cardomain.com/socrateez
04' Olds Alero
91' Colt GL hatchback
4g15 12valve 5spd.
4g37 TB, MAF & Injectors. 4g37 ECU
Ported & polished & custom CAI w/K&N filter
5* Cam retard, 7*Ignition advance
2-1/4" catback w/flowmaster muffler
89 GT brake and suspension swap
Lots of little s#@t


Top
   
Display posts from previous:  Sort by  
Post new topic  Reply to topic  [ 1 post ] 

All times are UTC-05:00


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  
cron
Powered by phpBB® Forum Software © phpBB Limited