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 30: Line 38:
 
| 14 || Ignition adjust/ABS || - || - || Anti-lock braking system control unit (3) || Anti-lock braking system control unit (3)
 
| 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) ||  
+
| 15 || Signal from MAP sensor || Absolute pressure sensor (C) || Absolute pressure sensor - B (S) || Absolute pressure sensor - B (A) || Absolute pressure sensor
 
|-
 
|-
 
| 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
|-
+
| Air conditioner cable join
| 21 || AC || Connector block to AC, if present || Connector block to AC, if present ||  
+
Air conditioner cable join
 +
| Air conditioner coupling relay feed
 
|-
 
|-
| 22 || Knock sensor ||
+
| 22 || Knock sensor || Detonation sensor || Detonation sensor || Detonation sensor || Detonation sensor
 
|-
 
|-
| 23 || Signal from timing sensor ||
+
| 23 || Signal from timing sensor || Distributor sensor || Distributor sensor || Distributor sensor || 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 104: Line 75:
 
| 26 || Control signal to amplifier || - || - || - || Ignition unit
 
| 26 || Control signal to amplifier || - || - || - || Ignition unit
 
|-
 
|-
| 27 || Diagnosis || Diagnostic || Diagnostic ||
+
| 27 || Diagnosis || Diagnostic || Diagnostic
 +
| Diagnostic
 +
Instrument panel (C-3)
 
|-
 
|-
 
| 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
+
| 30 || Power to sensors
| rowspan="2" | Absolute pressure sensor (A)
+
| Absolute pressure sensor (A)
| Absolute pressure sensor - B (+) || Absolute pressure sensor - B (A) || Timing Sensor
+
Butterfly valve position sensor (A)
| Absolute pressure sensor - A (+) || Absolute pressure sensor - A (A) || Absolute pressure sensor
+
| Absolute pressure sensor - B (+)
| Butterfly valve position sensor (A) || Butterfly valve position sensor (A) || Butterfly valve position sensor (A) || Butterfly valve position sensor
+
Absolute pressure sensor - A (+)
 +
Butterfly valve position sensor (A)
 +
| Absolute pressure sensor - B (A)
 +
Absolute pressure sensor - A (A)
 +
Butterfly valve position sensor (A)
 +
| Timing Sensor
 +
Absolute pressure sensor
 +
Butterfly valve position sensor
 
|-
 
|-
 
| 31 || Signal from air temp sensor || Air temp sensor || Air temp sensor || Air temp sensor || Air temp sensor
 
| 31 || Signal from air temp sensor || Air temp sensor || Air temp sensor || Air temp sensor || Air temp sensor
Line 125: Line 105:
 
|-
 
|-
 
| 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)
 
 
X Diagnostic
 
Coolant temp sensor
 
 
Air temp sensor 
 
 
Injector relay feed (87)
 
 
Detonation sensor Distributor sensor Ignition amplifier (3)
 
 
Engine coolant temp sensor
 
 
Air temp sensor 
 
 
Instrument panel (IAW system fail warning) Injector relay feed (87)
 
Air conditioner cable join
 
Air conditioner cable join
 
Detonation sensor Distributor sensor Electronic ignition control module (3)  X
 
Diagnostic
 
 
Engine coolant temp sensor
 
 
Air temp sensor 
 
 
Ignition coil unit 1
 
Ignition coil unit 2 Multiple relay (10)
 
Air conditioner coupling relay feed
 
Detonation sensor Timing sensor Ignition unit  Ignition unit
 
Diagnostic
 
Instrument panel (C-3)
 
Engine coolant temp sensor
 
                                         
 
 
|}
 
|}

Latest revision as of 04:03, 31 January 2021

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) Absolute pressure sensor - B (S) Absolute pressure sensor - B (A) Absolute pressure sensor
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 Air conditioner cable join

Air conditioner cable join

Air conditioner coupling relay feed
22 Knock sensor Detonation sensor Detonation sensor Detonation sensor Detonation sensor
23 Signal from timing sensor Distributor sensor Distributor sensor Distributor sensor 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 Diagnostic

Instrument panel (C-3)

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)

Butterfly valve position sensor (A)

Absolute pressure sensor - B (+)

Absolute pressure sensor - A (+) Butterfly valve position sensor (A)

Absolute pressure sensor - B (A)

Absolute pressure sensor - A (A) Butterfly valve position sensor (A)

Timing Sensor

Absolute pressure sensor 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