TechArticles/MarelliIAWConnections - Revision history

Hpdbpa: Even more clean up

2021-01-31T04:03:32Z

Even more clean up

Hpdbpa: Continue cleaning

2021-01-31T03:20:53Z

Continue cleaning

Hpdbpa: Initial page.

2021-01-31T02:04:53Z

Initial page.

New page

{| class="wikitable"
! 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
|-
| 12 || Control signal to engine control lamp
|-
| 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
|-
| 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
|-

Overboost valve

X

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 ||
|-
| 22 || Knock sensor ||
|-
| 23 || Signal from timing sensor ||
|-
| 24 || Ground to ignition amplifier ||
|-
| 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 ||
|-
| rowspan="3" | 30 || Power to sensors
| rowspan="2" | 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
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

|}

@@ Line 38: / Line 38: @@
 | 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
@@ Line 58: / Line 58: @@
 Multiple relay (10)
 |-
-| 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
 |-
-| 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 || Ignition amplifier (3) || Ignition amplifier (3) || Electronic ignition control module (3)
@@ Line 72: / Line 75: @@
 | 26 || Control signal to amplifier || - || - || - || Ignition unit
 |-
-| 27 || Diagnosis || Diagnostic || Diagnostic ||
+| 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 (?)
@@ Line 78: / Line 83: @@
 | 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
-|-
+| Absolute pressure sensor (A)
-| rowspan="2" | Absolute pressure sensor (A)
+Butterfly valve position sensor (A)
-|-
+| Absolute pressure sensor - B (+)
-| Absolute pressure sensor - B (+) || Absolute pressure sensor - B (A) || Timing Sensor
+Absolute pressure sensor - A (+)
-|-
+Butterfly valve position sensor (A)
-| Absolute pressure sensor - A (+) || Absolute pressure sensor - A (A) || Absolute pressure sensor
+| Absolute pressure sensor - B (A)
-|-
+Absolute pressure sensor - A (A)
-| Butterfly valve position sensor (A) || Butterfly valve position sensor (A) || Butterfly valve position sensor (A) || Butterfly valve position sensor
+Butterfly valve position sensor (A)
 |-
 | 31 || Signal from air temp sensor || Air temp sensor || Air temp sensor || Air temp sensor || Air temp sensor
@@ Line 97: / Line 105: @@
 |-
 | 35 || Control to injection valve #1 || Injector #1 || Injector #1 || Injector #1 || Injector #1
 |}

@@ Line 23: / Line 23: @@
 |-
 | 11 || Ground to sensors
 |-
-| 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 || - || - || - || -
@@ Line 33: / Line 41: @@
 |-
 | 16 || Control signal to waste gate control
 |-
 | 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
 |-
+| 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
+Ignition coil unit 2
+Multiple relay (10)
 |-
 | 21 || AC || Connector block to AC, if present || Connector block to AC, if present ||
@@ Line 98: / Line 64: @@
 | 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)
 |-
 | 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 (?)
 |-
-| 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="2" | 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
 |-
@@ Line 125: / Line 97: @@
 |-
 | 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)
- Air temp sensor
+Absolute pressure sensor
-Engine coolant temp sensor
+Detonation sensor Distributor sensor
 Air temp sensor
-Instrument panel (IAW system fail warning) Injector relay feed (87)
+Detonation sensor Distributor sensor
 Air conditioner cable join
 Air conditioner cable join
-Detonation sensor Distributor sensor Electronic ignition control module (3)  X
+Detonation sensor
-Diagnostic
+Distributor sensor
 Air temp sensor
 Air conditioner coupling relay feed
-Detonation sensor Timing sensor Ignition unit  Ignition unit
+Detonation sensor
- Diagnostic
+Timing sensor
 Instrument panel (C-3)
-Engine coolant temp sensor
 |}