B
150
Repair and Service Manual
FAULT TESTING
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
699327
NOTICE: The solenoid testing can also be done with
the handheld tool. Scroll down to the Monitor Menu.
Check the inputs and outputs for a change in status.
Check for contactor related faults in the faults
menu.
Fig. 14 Solenoid
Temperature Sensor - Testing
NOTICE: If the temperature sensor is faulty, the
entire motor assembly must be replaced (See Front
Motor Removal on page 66) (See Rear Motor
Removal on page 68).
1.
If possible, allow the vehicle to cool to room tem-
perature.
2.
Unplug the temperature sensor harness at the motor
(Ref 2.)
3.
Use the DVOM set on OHMS (
ȍ
) and test the resis-
tance between the two pins on the motor side.
Fig. 15 Temperature Sensor
4.
A reading showing at or below the minimum value
indicates a bad sensor.
5.
A reading showing at or above the thermal cutoff
temperature indicates either a faulty sensor or a
severely overheating motor (Ref Fig. 16) (Ref Fig.
17).
Fig. 16 KTY Temperature Sensor (male pins on the
connector)
Fig. 17 PT1000 Temperature Sensor (female pins on
the connector)
Front of Vehicle
BEEP
BEEP
DC
V
Minimum Value
§
359
ȍ
(-40° C)
Room Temperature
§
603
ȍ
(25° C)
Beginning of Thermal
Cutback
§
1297
ȍ
(145° C)
Thermal Cutoff
Temperature
§
1407
ȍ
(160° C)
Minimum Value
§
843
ȍ
(-40° C)
Room Temperature
§
962
ȍ
(25° C)
Beginning of Thermal
Cutback
§
1555
ȍ
(145° C)
Thermal Cutoff
Temperature
§
1610
ȍ
(160° C)
TEMPERATURE
SENSOR
PRELIMINARY
