Cavity

Wire

Test condition

Test: Desired result

Possible cause if result is not obtained

A18

GRN/BLK

Hood open

Check for voltage to ground:

There should be 1 V or less.

• Faulty hood switch
• Poor ground (G201)
• An open in the wire

Hood closed

Check for voltage to ground:

There should be 5 V or more.

A7

RED

Tailgate open

Check for voltage to ground:

There should be 1 V or less.

• Faulty tailgate latch switch
• Poor ground (G553)
• An open in the wire

Tailgate closed

Check for voltage to ground:

There should be 5 V or more.

A1

WHT/BLK

Driver's door lock knob unlocked

Check for voltage to ground:

There should be 1 V or less.

• Faulty driver's door lock knob switch
• Poor ground (G501)
• An open in the wire

Driver's door lock knob locked

Check for voltage to ground:

There should be 5 V or more.

A12

BRN/WHT

Front passenger's door lock knob unlocked

Check for voltage to ground:

There should be 1 V or less

• Faulty front passenger's door lock knob switch
• Poor ground (G502)
• An open in the wire

Front passenger's door lock knob locked

Check for voltage to ground:

There should be 5 V or more.

Left rear door lock knob unlocked

Check for voltage to ground:

There should be 5 V or more.

• Faulty left rear door lock knob switch
• Poor ground (G551)
• An open in the wire

Left rear door lock knob locked

Check for voltage to ground:

There should be 5 V or more.

Right rear door lock knob unlocked

Check for voltage to ground:

There should be 1 V or less.

• Faulty right rear door lock knob switch
• Poor ground (G551)
• An open in the wire

Right rear door lock knob locked

Check for voltage to ground:

There should be 5 V or more.

A4

WHT/RED

Driver's door key cylinder locked

Check for voltage to ground:

There should be 1 V or less.

• Faulty driver's door key cylinder switch
• Poor ground (G501)
• An open in the wire
• A short to ground

Driver's door key cylinder in neutral

Check for voltage to ground:

There should be 5 V or more.

A3

·

B3

WHT

Driver's door key cylinder unlocked

Check for voltage to ground:

There should be 1 V or less.

Driver's door key cylinder in neutral

Check for voltage to ground:

There should be 5 V or more.

A15

PNK

Front passenger's door key cylinder locked

Check for voltage to ground:

There should be 1 V or less.

• Faulty front passenger's door key cylinder switch
• Faulty tailgate key cylinder switch
• Poor ground (G502)
• An open in the wire
• A short to ground

Tailgate key cylinder locked

Front passenger's door key cylinder in neutral

Check for voltage to ground:

There should be 5 V or more.

Tailgate key cylinder in neutral

A14

·

B10

WHT

Front passenger's door key cylinder unlocked

Check for voltage to ground:

There should be 1 V or less.

Tailgate key cylinder unlocked

Front passenger's door key cylinder in neutral

Check for voltage to ground:

There should be 5 V or more.

Tailgate key cylinder in neutral