Legend for wiring diagram of auxiliary heater (ZHE)

PE83.70-S-2001-60B

Legend for wiring diagram of auxiliary heater (ZHE)

MODEL 638.244 up to 1.5.98 with CODE (H12) Warm water auxiliary heater

Item

Designation

Coordinate

A7

Auxiliary heater operating unit

17L

A34

Auxiliary coolant heater (ACH [ZHE])

28L

36L

A36

Residual engine heat utilization control module

7A

A72

Auxiliary coolant heater (ACH [ZHE]) control module

25L

B94

Engine coolant temperature switch (ACH [ZHE])

33B

B95

Fuel rack position sensor

35B

B96

Flame monitor

29B

F106

Fuse box 4

14L

F106f14

Fuse 14

14K

F107

Fuse box 5

2A

19E

F107f22

Fuse 22

2B

F107f27

Fuse 27

20E

J12

Main wiring harness, auxiliary heater, tachograph, trailer, circuit 30

16L

J17

Main wiring harness/seat box, circuit 30, residual heat utilization and auxiliary heater

6H

8H

12E

J188

Main wiring harness, air conditioning (circuit 15)

23E

J189

Main wiring harness, air conditioning (circuit 15)

10G

K29

Auxiliary heater (ACH [ZHE]) relay

8L

K30

Auxiliary heater with A/C control relay

13A

20A

K76

Secondary air injection pump relay

31B

M19

Fuel metering pump (ACH [ZHE])

39K

M40

Heater blower

2L

M40m45

Engine heater blower

2K

M44

Secondary air injection pump

25G

M45

A/C control auxiliary coolant heater pump

10A

39G

P11

Diagnostic socket (38-pin)

21E

R18

Glow plug (ACH [ZHE])

26B

R19

Part-load resistor (ACH [ZHE])

32F

S24

Heater/air conditioning pushbutton control module

5L

S24s1

Air volume control

4J

W5.1

Ground point (seat frame)

22E

W5.2

Ground point (seat frame)

21E

W17.1

Ground point (left of engine compartment)

11H

W17.3

Ground point (left of engine compartment)

1E

W19.1

Ground point (top left of A-pillar)

17E

X61

Left instrument panel/main wiring harness connector II

7E

X94

Heater blower stage 1 connector

5H

X98

Main wiring harness/engine connector II

10E

X167

12-pin connector (in ACH [ZHE] electrical compartment)

28G