12
Test Procedures
TROUBLESHOOTING AND ELECTRICAL
SYSTEM: DIESEL VEHICLES
7.
Place the red (+) probe on the fusible link ring terminal atttached to the alternator stud. The reading should
indicate approximately 12 VDC (or full battery voltage).
8.
If the multimeter did not indicate voltage, check the following:
– Battery.
See Test Procedure 1 – Battery on page 12-10.
– Loose connection at large post of starter solenoid.
– Wire continuity of wires w201 and w124.
See Test Procedure 18 – Wire Continuity on page 12-31.
9.
If no problems were found in step 8, the fusible link has failed and must be replaced.
TEST PROCEDURE 23 – Coolant Temperature Warning Light Circuit
See General Warnings, Section 1, Page 1-2.
The engine coolant thermostat switch provides a ground to the coolant temperature warning light when the engine
block reaches a temperature range of 216 °F to 226 °F (102 °C to 108 °C) and closes the thermostat switch.
See
following NOTE.
NOTE:
Keep the battery connected during this test procedure.
1.
Disable the vehicle.
See Disabling the Vehicle on page 1-3.
2.
At driver side, raise the seat and disconnect the two-pin connector from the thermostat switch
.
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2115
Figure 12-29
Thermostat Switch Connector
3.
Place a jumper wire between the frame and the 18-gauge Green/White wire at the two-pin connector
disconnected from the thermostat switch.
4.
Raise the hood to access the back of the coolant temperature warning light.
5.
Set multimeter to 20 VDC.
6.
Place the red multimeter probe into the green/white wire (w117) terminal connected to the coolant temperature
warning light. Place the black multimeter probe on the frame (ground).
7.
Leave the Forward/Reverse handle in the NEUTRAL position.
8.
Monitor the multimeter while turning the key switch to the ON position. The multimeter should indicate 0 (zero)
VDC with the key in the OFF position and approximately 12 VDC with the key switch in the ON position.
Page 12-34
2016 Carryall 1500/1700 and XRT 1550 Maintenance and Service Manual
Summary of Contents for Carryall 1500 2016
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