Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Fuel Injection System

Component Locations:




Wiring Diagram:




Start (Engine Cold/Hot):




Engine Running/Stalled:




LEGEND
A Control unit
B Microswitch, AC
C Ignition switch
D Fuel pump
E Main relay
F Fuel pump relay
G Fusebox
H Breaker
I Lambdasond
K Injectors
I Ambient temperature sensor
M Air mass meter
N Idling valve
O Connector
P Tank pump
Q Test point, Lambdasond
104 Ignition system. control unit
222 Idle speed adjustment