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BCM Wake Up Response Failure





Test 1 - 2

Symptom List:
BCM WAKE UP RESPONSE FAILURE
BROKEN CABLE
ECU FAILURE
EE PROM WRITE/READ FAILURE
HALL FEED BACK OPEN
HALL FEED BACK SHORT TO BATTERY
HALL FEEDBACK SHORT TO GROUND
HALL HIGH FREQUENCY FAILURE
HALL MECHANICAL FAILURE
INTERNAL START UP FAILURE
INTERNAL WAKE UP FAILURE
LOOP BACK FAILURE
MOTOR ARMATURE OPEN
MOTOR ARMATURE SHORT TO BATTERY
MOTOR CONTROL INPUT FAULT
MOTOR OUTPUT SHORT TO BATTERY
MOTOR OUTPUT SHORT TO GROUND
MOTOR THERMAL FAULT
PEDAL SENSOR REVERSE FAILURE
RAM CHECK FAILURE
ROM CHECK FAILURE
THERMAL PROTECTION OPEN

Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be BCM WAKE UP RESPONSE FAILURE.

When Monitored and Set Condition:
BCM WAKE UP RESPONSE FAILURE

When Monitored: When Adjustable Pedals Module is awakened.

Set Condition: When the module fails to receive a response from the BCM.

When Monitored and Set Condition:
BROKEN CABLE

When Monitored: Key ON.

Set Condition: When the module detects lower than expected motor current draw.

When Monitored and Set Condition:
ECU FAILURE

When Monitored: When the Adjustable Pedals module enters the Sleep State.

Set Condition: When the module fails a self-test.

When Monitored and Set Condition:
EE PROM WRITE/READ FAILURE

When Monitored: During a module Write function.

Set Condition: When the module self-test detects an incorrect Read after a Write.

When Monitored and Set Condition:
HALL FEED BACK OPEN

When Monitored: When the Adjustable pedals module is awake.

Set Condition: When the module detects a Hall Sensor circuit fault. (Voltage between 2.4- 3.2 V)

When Monitored and Set Condition:
HALL FEED BACK SHORT TO BATTERY

When Monitored: When the Adjustable Pedals module is awake.

Set Condition: When the Adjustable Pedals module detects a Hall Sensor feedback circuit voltage greater than 4.65 V.

When Monitored and Set Condition:
HALL FEEDBACK SHORT TO GROUND

When Monitored: When the Adjustable Pedals module is awake.

Set Condition: When the module detects a Hall Sensor feedback circuit voltage is less than 0.1 V.

When Monitored and Set Condition:
HALL HIGH FREQUENCY FAILURE

When Monitored: Anytime motion takes place.

Set Condition: When the module detects a Hall Sensor circuit fault. (More than 3 counts/49 ms.)

When Monitored and Set Condition:
HALL MECHANICAL FAILURE

When Monitored: Anytime motion takes place.

Set Condition: When the module detects a Hall Sensor circuit fault. (Less than 2 counts in 497 ms.)

When Monitored and Set Condition:
INTERNAL START UP FAILURE

When Monitored: Key ON.

Set Condition: When the module self test detects an internal fault.

When Monitored and Set Condition:
INTERNAL WAKE UP FAILURE

When Monitored: At module wake up.

Set Condition: When the module self test detects an internal fault.

When Monitored and Set Condition:
LOOP BACK FAILURE

When Monitored: When the Adjustable Pedals module is unable to transmit messages or prior to log in missing messages.

Set Condition: When the Adjustable Pedals module detects an internal fault.

When Monitored and Set Condition:
MOTOR ARMATURE OPEN

When Monitored: Anytime the Adjustable Pedals module is awake.

Set Condition: When the module detects a fault in the motor armature circuit.

When Monitored and Set Condition:
MOTOR ARMATURE SHORT TO BATTERY

When Monitored: Anytime the Adjustable Pedals module is awake.

Set Condition: When the module detects a fault in the motor circuitry

When Monitored and Set Condition:
MOTOR CONTROL INPUT FAULT

When Monitored: Anytime pedal motion takes place.

Set Condition: When the module detects a fault in the motor driver circuitry

When Monitored and Set Condition:
MOTOR OUTPUT SHORT TO BATTERY

When Monitored: Anytime the Adjustable Pedals module is awake.

Set Condition: When the module detects a fault in the motor circuitry

When Monitored and Set Condition:
MOTOR OUTPUT SHORT TO GROUND

When Monitored: Anytime the Adjustable Pedals module is awake.

Set Condition: When the module detects a fault in the motor circuitry

When Monitored and Set Condition:
MOTOR THERMAL FAULT

When Monitored: Key ON.

Set Condition: When the module detects a fault in the motor circuitry

When Monitored and Set Condition:
PEDAL SENSOR REVERSE FAILURE

When Monitored: Anytime pedal motion takes place.

Set Condition: When the module detects a Pedal Sensor Reverse circuit failure.

When Monitored and Set Condition:
RAM CHECK FAILURE

When Monitored: Anytime the Adjustable Pedals module is awake.

Set Condition: When the module self test detects a RAM failure.

When Monitored and Set Condition:
ROM CHECK FAILURE

When Monitored: Anytime the Adjustable Pedals module is awake.

Set Condition: When the module self test detects a ROM failure.

When Monitored and Set Condition:
THERMAL PROTECTION OPEN

When Monitored: Key ON. Within 1 second of time motor stops functioning.

Set Condition: When the module self test detects an internal thermal protection sensor open (triggered).





Possible Causes