Pressurized engine control (PEC) fuel injection and ignition system position of components

S07.52-0031-06

Body

A13 PEC control module

A13.1 Control module coupling "1" on vehicle side (identified with "F" on PEC control module)

A13.2 Control module coupling "2" on engine side (identified with "M" on PEC control module)

A13.3 Crankshaft position sensor coupling

K39 Fuel pump relay

P11 Diagnostic socket (38-pin)

R27 PEC resistance trimming plug

S07.52-0021-06

Engine

B60 NTC temperature sensor

B63 NTC intake air sensor

B73 Crankshaft position sensor

R9 Ignition coil 1 (cylinders 2 and 3)

R39 Ignition coil 2 (cylinders 1 and 4)

S07.52-0023-06

Engine

a Diaphragm pressure regulator (fuel distributor pipe)

b Vacuum line (to diaphragm pressure regulator)

M33 Idle speed control actuator

Y19 Fuel injection valve

X97 Main wiring harness/engine connector 1

S07.52-0007-01

S07.52-0006-01

S07.52-0035-01

Oxygen sensor/control module connector up to start of V-class production

a to oxygen sensor 

b to PEC control module 

Oxygen sensor/control module connector from start of V-class production (longitudinal member near oxygen sensor)

a to oxygen sensor 

b to PEC control module 

Idle speed control actuator/control module connector

a to idle speed control actuator 

b to PEC control module 

S47.30-0001-01

S15.00-0002-01

S07.52-0010-01

Y1 Purge control valve

R27 PEC resistance trimming plug

Ignition coil

4A Ignition coil output for spark plug 1 or 2

4b Ignition coil output for spark plug 3 or 4

S49.10-0001-01

S49.10-0002-01

S49.10-0003-01

Exhaust gas valve switchover valve

a Vacuum line from engine

b Vacuum line to exhaust gas valve

Exhaust gas valve closed

Exhaust gas valve open