Retarder control RS (RET), testing of electrical system

AD43.30-W-6000A

Retarder control RS (RET), testing of electrical system

14.7.97

Retarder control RS (RET) diagnosis, previous knowledge

AD43.30-W-2000A

Tools, retarder control RS/RET diagnosis

Model 375.4, 930, 932, 933, 934, 944 and model 950, 952, 953, 954 as of vehicle identification end no. 303058
Testing with temperature simulator or two decade resistors

AD43.30-W-2000-08A

Model 950, 952, 953, 954 up to
vehicle identification end no. 303057
testing with decade resistor

AD43.30-W-2000-08B

Connect special tools for testing retarder control RS/RET

Model 375.4, 930, 932, 933, 934, 944 and model 950, 952, 953, 954 as of vehicle identification end no. 303058
Testing with temperature simulator or two decade resistors

AD43.30-W-2000-12A

Model 950, 952, 953, 954 up to
vehicle identification end no. 303057
testing with decade resistor

AD43.30-W-2000-12B



Connecting test pressure gauge for retarder control

AR43.30-W-0017-01A



 Fuses OK

 Battery voltage 18,0 to 32,0 volts

 Reservoir pressure for compressed-air system more than 9 bar

 Vehicle at rest

 Engine OFF

 Operating lever for engine control/
permanent brake on stage 0

Checking

1.1

Retarder control RS (RET) testing of control electrical system

Model 375.4, 930, 932, 933, 934, 944 and model 950, 952, 953, 954 as of vehicle identification end no. 303058
Testing with temperature simulator or two decade resistors

AD43.30-W-6000-01A

1.2

Retarder control RS (RET) testing of control electrical system

Model 950, 952, 953, 954 up to
vehicle identification end no. 303057
Testing with decade resistor

AD43.30-W-6000-01B