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(1) Apply voltage to the terminals of the parking brake actuator assembly and check that it operates as specified.
OK:
LH
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Tester Connection
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Parking Brake Actuator Assembly Operation
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Auxiliary battery positive (+) - v1-2 (LE+)
Auxiliary battery negative (-) - v1-1 (LE-)
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Lock
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Auxiliary battery positive (+) - v1-1 (LE-)
Auxiliary battery negative (-) - v1-2 (LE+)
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Release
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RH
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Tester Connection
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Parking Brake Actuator Assembly Operation
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Auxiliary battery positive (+) - u1-2 (RE+)
Auxiliary battery negative (-) - u1-1 (RE-)
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Lock
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Auxiliary battery positive (+) - u1-1 (RE-)
Auxiliary battery negative (-) - u1-2 (RE+)
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Release
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If the result is not as specified, replace the parking brake actuator assembly.
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*A
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LH
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*B
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RH
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*a
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Component without harness connected
(Parking Brake Actuator Assembly)
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*b
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Lock
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*c
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Release
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