Difference between revisions of "TechArticles/MarelliIAWConnections"

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|-
 
|-
 
| 11 || Ground to sensors
 
| 11 || Ground to sensors
 +
| Diagnostic
 +
Absolute pressure sensor (B)
 +
| Diagnostic
 +
Absolute pressure sensor - B (-)
 +
| Diagnostic
 +
Absolute pressure sensor - B (B)
 +
| Diagnostic
 +
Ground to Butterfly valve position sensor, Air temp sensor, Coolant temp sensor
 
|-
 
|-
−
| 12 || Control signal to engine control lamp
+
| 12 || Control signal to engine control lamp || - || Instrument panel (System failure warning)|| Instrument panel (IAW system fail warning) || -
 
|-
 
|-
 
| 13 || Ignition adjust || - || - || - || -
 
| 13 || Ignition adjust || - || - || - || -
Line 33: Line 41:
 
|-
 
|-
 
| 16 || Control signal to waste gate control
 
| 16 || Control signal to waste gate control
 +
| Overboost valve
 +
Instrument Panel (Overboost Warning Light)
 +
| Overboost solenoid valve || Controlled supercharging solenoid valve || Overboost solenoid valve
 
|-
 
|-
 
| 17 || Signal from throttle potentiometer || Butterfly valve position sensor (B) || Butterfly valve position sensor (B) || Butterfly valve position sensor (B) || Butterfly valve position sensor
 
| 17 || Signal from throttle potentiometer || Butterfly valve position sensor (B) || Butterfly valve position sensor (B) || Butterfly valve position sensor (B) || Butterfly valve position sensor
Line 40: Line 51:
 
| 19 || Ground || Ground || Ground || Ground || Ground
 
| 19 || Ground || Ground || Ground || Ground || Ground
 
|-
 
|-
−
 
+
| 20 || Power from main relay || Fuel injector relay (87) || Injector relay feed (87)
−
 
+
| Instrument panel (IAW system fail warning)
−
Overboost valve
+
Injector relay feed (87)
−
 
+
| Ignition coil unit 1
−
X
+
Ignition coil unit 2
−
 
+
Multiple relay (10)
−
 
−
X
 
−
 
 
−
X X
 
−
Absolute pressure sensor - B (S) Overboost solenoid valve
 
−
 
 
−
 
 
−
Ground
 
−
Evo 1
 
−
Ground
 
−
X
 
−
 
 
−
Diagnostic
 
−
X
 
−
Diagnostic
 
−
X
 
−
Absolute pressure sensor - B (A) Controlled supercharging solenoid valve
 
−
 
 
−
 
 
−
 
 
−
   
 
−
Diagnostic X
 
−
X Diagnostic
 
−
X
 
−
 
 
−
Absolute pressure sensor
 
−
Overboost solenoid valve
 
−
 
 
−
 
 
−
Ground
 
−
 
 
−
Absolute pressure sensor (B)
 
−
Absolute pressure sensor - B (-)
 
−
Absolute pressure sensor - B (B)
 
−
Ground to Butterfly valve position sensor, Air temp sensor, Coolant temp sensor
 
−
 
 
−
Control signal to engine control lamp
 
−
X
 
−
Instrument panel (System failure warning)
 
−
Instrument panel (IAW system fail warning)
 
−
X
 
−
                        Instrument Panel (Overboost Warning Light)
 
−
   
 
−
|-
 
−
| 20 || Power from main relay ||
 
 
|-
 
|-
 
| 21 || AC || Connector block to AC, if present || Connector block to AC, if present ||  
 
| 21 || AC || Connector block to AC, if present || Connector block to AC, if present ||  
Line 98: Line 64:
 
| 23 || Signal from timing sensor ||
 
| 23 || Signal from timing sensor ||
 
|-
 
|-
−
| 24 || Ground to ignition amplifier ||
+
| 24 || Ground to ignition amplifier || Ignition amplifier (3) || Ignition amplifier (3) || Electronic ignition control module (3)
 +
| Ignition unit
 +
Ignition unit
 
|-
 
|-
 
| 25 || Control signal to amplifier || Ignition amplifier (6) || Ignition amplifier (6) || Electronic ignition control module (6) || Ignition unit
 
| 25 || Control signal to amplifier || Ignition amplifier (6) || Ignition amplifier (6) || Electronic ignition control module (6) || Ignition unit
Line 108: Line 76:
 
| 28 || Control signal to pump relay || Fuel pump relay (85) || Fuel pump relay feed (85) || Fuel pump relay (85) || Multiple relay (?)
 
| 28 || Control signal to pump relay || Fuel pump relay (85) || Fuel pump relay feed (85) || Fuel pump relay (85) || Multiple relay (?)
 
|-
 
|-
−
| 29 || Signal from coolant temp sensor ||
+
| 29 || Signal from coolant temp sensor || Coolant temp sensor || Engine coolant temp sensor || Engine coolant temp sensor || Engine coolant temp sensor
 
|-
 
|-
 
| rowspan="3" | 30 || Power to sensors
 
| rowspan="3" | 30 || Power to sensors
 +
|-
 
| rowspan="2" | Absolute pressure sensor (A)
 
| rowspan="2" | Absolute pressure sensor (A)
 +
|-
 
| Absolute pressure sensor - B (+) || Absolute pressure sensor - B (A) || Timing Sensor
 
| Absolute pressure sensor - B (+) || Absolute pressure sensor - B (A) || Timing Sensor
 +
|-
 
| Absolute pressure sensor - A (+) || Absolute pressure sensor - A (A) || Absolute pressure sensor
 
| Absolute pressure sensor - A (+) || Absolute pressure sensor - A (A) || Absolute pressure sensor
 +
|-
 
| Butterfly valve position sensor (A) || Butterfly valve position sensor (A) || Butterfly valve position sensor (A) || Butterfly valve position sensor
 
| Butterfly valve position sensor (A) || Butterfly valve position sensor (A) || Butterfly valve position sensor (A) || Butterfly valve position sensor
 
|-
 
|-
Line 125: Line 97:
 
|-
 
|-
 
| 35 || Control to injection valve #1 || Injector #1 || Injector #1 || Injector #1 || Injector #1
 
| 35 || Control to injection valve #1 || Injector #1 || Injector #1 || Injector #1 || Injector #1
−
Fuel injector relay (87)
+
|-
  
−
Detonation sensor Distributor sensor Ignition amplifier (3)
+
Absolute pressure sensor - B (S)
  
−
X Diagnostic
+
Absolute pressure sensor - B (A)
−
Coolant temp sensor
 
  
−
Air temp sensor
+
Absolute pressure sensor
 +
 
 +
Control signal to engine control lamp
  
−
Injector relay feed (87)
 
  
−
Detonation sensor Distributor sensor Ignition amplifier (3)
 
  
−
Engine coolant temp sensor
+
Detonation sensor Distributor sensor  
  
 
Air temp sensor   
 
Air temp sensor   
  
−
Instrument panel (IAW system fail warning) Injector relay feed (87)
+
Detonation sensor Distributor sensor
 +
 
 +
Air temp sensor 
 +
 
 +
 
 +
 
 
Air conditioner cable join
 
Air conditioner cable join
 
Air conditioner cable join
 
Air conditioner cable join
−
Detonation sensor Distributor sensor Electronic ignition control module (3)  X
+
Detonation sensor
−
Diagnostic
+
Distributor sensor
−
 
 
−
Engine coolant temp sensor
 
  
 
Air temp sensor   
 
Air temp sensor   
  
−
Ignition coil unit 1
 
−
Ignition coil unit 2 Multiple relay (10)
 
 
Air conditioner coupling relay feed
 
Air conditioner coupling relay feed
−
Detonation sensor Timing sensor Ignition unit  Ignition unit
+
Detonation sensor
−
Diagnostic
+
Timing sensor
 +
 
 
Instrument panel (C-3)  
 
Instrument panel (C-3)  
−
Engine coolant temp sensor
+
                         
−
                                         
 
 
|}
 
|}

Revision as of 03:20, 31 January 2021

Absolute pressure sensor - B (S) Absolute pressure sensor - B (A) Absolute pressure sensor Control signal to engine control lamp Detonation sensor Distributor sensor Air temp sensor Detonation sensor Distributor sensor Air temp sensor Air conditioner cable join Air conditioner cable join Detonation sensor Distributor sensor Air temp sensor Air conditioner coupling relay feed Detonation sensor Timing sensor Instrument panel (C-3)
Pin Description 8V 16V Evo 1 Evo 2
1 Ground Ground Ground Ground Ground
2 Signal from Lambda sensor - - - Heated lambda sensor
3 Ground to crankshaft sensor RPM & TDC sensor RPM & TDC sensor RPM & TDC sensor RPM & TDC sensor
4 Signal from crankshaft sensor RPM & TDC sensor RPM & TDC sensor RPM & TDC sensor RPM & TDC sensor
5 Ground to timing sensor Distributor sensor Distributor sensor Distributor sensor Timing sensor
6 Knock sensor Detonation sensor Detonation sensor Detonation sensor Detonation sensor
7 Control signal to idle speed/rev. counter/trip computer - - - Instrument panel (D-6)
8 Diagnosis Diagnostic Diagnostic Diagnostic Diagnostic
9 Signal from CO potentiometer/MAP - Absolute pressure sensor - A (S) Absolute pressure sensor - A (C) -
10 Control signal to main relay Fuel injection relay (85) - - -
11 Ground to sensors Diagnostic

Absolute pressure sensor (B)

Diagnostic

Absolute pressure sensor - B (-)

Diagnostic

Absolute pressure sensor - B (B)

Diagnostic

Ground to Butterfly valve position sensor, Air temp sensor, Coolant temp sensor

12 Control signal to engine control lamp - Instrument panel (System failure warning) Instrument panel (IAW system fail warning) -
13 Ignition adjust - - - -
14 Ignition adjust/ABS - - Anti-lock braking system control unit (3) Anti-lock braking system control unit (3)
15 Signal from MAP sensor Absolute pressure sensor (C)
16 Control signal to waste gate control Overboost valve

Instrument Panel (Overboost Warning Light)

Overboost solenoid valve Controlled supercharging solenoid valve Overboost solenoid valve
17 Signal from throttle potentiometer Butterfly valve position sensor (B) Butterfly valve position sensor (B) Butterfly valve position sensor (B) Butterfly valve position sensor
18 Control to injection valve #4 Injector #4 Injector #4 Injector #4 Injector #4
19 Ground Ground Ground Ground Ground
20 Power from main relay Fuel injector relay (87) Injector relay feed (87) Instrument panel (IAW system fail warning)

Injector relay feed (87)

Ignition coil unit 1

Ignition coil unit 2 Multiple relay (10)

21 AC Connector block to AC, if present Connector block to AC, if present
22 Knock sensor
23 Signal from timing sensor
24 Ground to ignition amplifier Ignition amplifier (3) Ignition amplifier (3) Electronic ignition control module (3) Ignition unit

Ignition unit

25 Control signal to amplifier Ignition amplifier (6) Ignition amplifier (6) Electronic ignition control module (6) Ignition unit
26 Control signal to amplifier - - - Ignition unit
27 Diagnosis Diagnostic Diagnostic
28 Control signal to pump relay Fuel pump relay (85) Fuel pump relay feed (85) Fuel pump relay (85) Multiple relay (?)
29 Signal from coolant temp sensor Coolant temp sensor Engine coolant temp sensor Engine coolant temp sensor Engine coolant temp sensor
30 Power to sensors
Absolute pressure sensor (A)
Absolute pressure sensor - B (+) Absolute pressure sensor - B (A) Timing Sensor
Absolute pressure sensor - A (+) Absolute pressure sensor - A (A) Absolute pressure sensor
Butterfly valve position sensor (A) Butterfly valve position sensor (A) Butterfly valve position sensor (A) Butterfly valve position sensor
31 Signal from air temp sensor Air temp sensor Air temp sensor Air temp sensor Air temp sensor
32 Control to injection valve #2 Injector #2 Injector #2 Injector #2 Injector #2
33 Control to injection valve #3 Injector #3 Injector #3 Injector #3 Injector #3
34 Control signal to idle speed Automatic idle adjustment solenoid air valve Automatic idle adjustment solenoid air valve Automatic idle adjustment solenoid air valve Automatic idle adjustment solenoid air valve
35 Control to injection valve #1 Injector #1 Injector #1 Injector #1 Injector #1
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