Operation CHARM: Car repair manuals for everyone.

Computers and Control Systems





1 - EVAP Canister Purge Regulator Valve N80
2 - Mass Air Flow (MAF) Sensor G70
^ 4-pin connector
^ before removing, make sure ignition has been
switched OFF for at least 20 seconds (hot wire self-cleaning cycle)

3 - Intake Air duct
^ with connection for Idle Air Control (IAC)
and PCV heating element N79

4 - CO tap tube
5 - Knock sensor (KS) 1 G61
6 - Motronic Engine Control Module (ECM) J220
7 - Throttle valve housing
^ heated by engine coolant

8 - Throttle Position (TP) Sensor G69
9 - Idle Air Control (IAC) Valve N71
10 - Not Applicable
11 - Ignition coil N152
^ Single electronic unit with three "double-ended" coils and
integrated power output stage, instead of distributor

12 - A/C Thermal Switch F45
^ color: brown
^ with 2-pin connector

13 - Engine Coolant Temperature (ECT) Sensor G62
^ color: blue
^ with 2-pin connector
^ for Motronic

14 - After Run Coolant Fan Control Thermal Switch F87
and Engine Coolant Temperature (ECT) Sensor
^ color: yellow
^ with 4-pin connector
^ sensor G2 for ECT gauge

15 - Intake Air Temperature (IAT) Sensor G72
16 - Fuel Pressure Regulator
17 - Engine Speed (RPM) Sensor G28
18 - Knock Sensor (KS) 2 G66
19 - Fuel Injector, cyl. 1 N30
^ N31 - N33 for cylinders 2 - 4
^ N83, N84 for cylinders 5, and 6

20 - EVAP Canister
^ location: below Air Cleaner (ACL) Housing

21 - Air Cleaner (ACL)