12
Test Procedures
TROUBLESHOOTING AND ELECTRICAL
SYSTEM: DIESEL VEHICLES
TEST PROCEDURE 25 – Reverse Warning Buzzer Limit Switch (If Equipped)
See General Warnings, Section 1, Page 1-2.
NOTE:
Keep the battery connected during this test procedure.
The reverse warning buzzer limit switch is located on the Forward/Reverse handle under the hood.
1.
Disable the vehicle.
See Disabling the Vehicle on page 1-3.
2.
Check for proper wiring and tight connections at the reverse warning buzzer and the reverse warning buzzer
limit switch
.
3.
Move the Forward/Reverse handle to REVERSE and listen for an audible click from the limit switch. If there is no
click, check the switch for proper alignment and switch arm movement.
4.
If the switch is being activated but the buzzer does not function, place the red (+) probe of the multimeter on
one terminal and the black (–) probe on the other terminal of the limit switch. With the limit switch lever fully
released, the reading should be no continuity.
5.
Place the Forward/Reverse handle in the REVERSE position to activate the limit switch. The multimeter should
indicate continuity when the limit switch lever is activated. If either reading is incorrect, replace the limit switch
.
2098
Figure 12-33
Reverse Warning Buzzer and Limit Switch
TEST PROCEDURE 26 – Reverse Warning Buzzer (If Equipped)
See General Warnings, Section 1, Page 1-2.
1.
Disconnect battery.
See Disconnecting the Battery – Gasoline/Diesel Vehicles, Section 1, Page 1-3.
2.
Check for proper wiring and tight connections. Use a multimeter and check for continuity through each wire that
connects to the reverse warning buzzer individually.
See Wiring Diagram on page 12-8.
If the buzzer does not
function when properly wired, replace the buzzer.
See Reverse Warning Buzzer Removal on page 14-11.
Page 12-36
2008-2012 All-Wheel Drive Maintenance and Service Manual
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