mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Customer Interest for Coolant Temperature Sensor/Switch (For Computer): > < Idle Speed - Installing Harness and Resistor|Page 4497
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1.

Unplug connector (0.75 mm dia., green/red) at coolant temperature sensor (B11/2) (Figure 5).

FIGURE 6 - CONNECT 470 OHM RESISTOR IN SERIES

2.

Connect 470 Ohm resistor in series (arrow) between unplugged connector and temperature sensor (Figure 6).

3.

Check on-off ratio and idle rpm. See Service Microfiche Engine 102 Combustion IIIa Job No. 07.3-106.

Parts Information

Part Name

Part Number

Auxiliary Wiring Harness

201 540 78 34

Cable strap

001 997 42 90

470 Ohm resistor

201 540 80 34

Time Allowance

02-0219/41

Auxiliary Wiring harness (Idle speed), install

1.3 hrs.

02-0220/41

Auxiliary Wiring harness (Idle speed), install

1.0 hrs.

(with maint. or repair work)

02-0221/41

470 Ohm Resistor (Warm-up response), install

0.3 hrs.

02-0222/41

470 Ohm Resistor (Warm-up response), install

0.1 hrs.

(with maint. or repair work)

Customer Interest for Coolant Temperature Sensor/Switch (For Computer): > < Idle Speed - Installing Harness and Resistor|Page 4497