Group 87 Climate Control, Fault Codes
Troubleshooting
8730-21-02-13
MID 146 PID 170 Temperature Sensor Cab, Check
Special tools: 9990025, 9998596, 9998699
Other special equipment: J-39200
NOTE
•
Check all relevant connectors. Check for loose
connections, contact resistance and oxidation. For a
more detailed description of fault-tracing wiring
and connectors, see separate service information
under Group 371.
Measurement at the component
connector to the control unit
Note: If one of the values below is incorrect this may also
have caused the component to fail, check the component
if any of the values are incorrect.
Signal cable
1
Conditions:
•
Measuring voltage using the J-39200 Digital
Multimeter.
•
Measurement to the control unit.
Measurement points
Nominal value
BSA5-BSA15
V
≈
4.11 - 4.35 V (-10 C,
14 F)
V
≈
2.67 - 2.88 V (20 C,
68 F)
V
≈
1.65 - 1.82 V(40 C,
104 F)
J-39200
9998596
, 9998699
44
