Engine Electrical Layout
ENGINE ELECTRICAL LAYOUT1 Control unit - L-Jetronic
2 Control unit - idle speed
3 Plug - car electric system, fuel pump relay
4 Plug (white) for transmission versions (wire colors: green/yellow - blue/yellow)
- not used for automatics (lean mixture)
- connected for manuals
5 Plug (black) for air conditioner (wire colors: blue/white)
6 Plug (red) for control unit coding (wire colors: brown/violet)
1 Relay for fuel injection, fuel pump. oxygen sensor heating
2 Relay for idle speed stabilization (see Group 13)
3 Relay for ignition switchover
4 Temperature transmitter
5 Temperature switch for ignition switchover and idle speed control
6 TCIi-S control unit
7 Solenoid valve for ignition switchover
- Air temperature sensor for ignition switchover
- Ground point for engine electrics