B3152

Diagnostic Chart:

Schematics:

CIRCUIT DESCRIPTION
The switch that tailed and generated this diagnostic trouble code (DTC) is wired to the driver door switch assembly (DDSA). The DDSA includes the switch state in the message it sends to the driver door module (DDM). The DDM sends the switch message to the rear integration module (RIM), which is the "master" of all lock operations, as a Class 2 message. The RIM sends its OK to the DDM. If the OK message is received, the DDM sends the required signal to all other door modules via the simple bus interface (SBI) message system.

CONDITIONS FOR RUNNING THE DTC
The DDM must be powered and can not have B1327-Battery Voltage Low or B1328-Battery Voltage High set for this DTC to set.

CONDITIONS FOR SETTING THE DTC
If the DDM receives the message that the circuit is closed for more than 255 continuous seconds (4.25 minutes), the DDM sets this DTC.

ACTION TAKEN WHEN THE DTC SETS
The DDM ignores any message from this switch and prevents lock movement from the driver door interior switches. The DDM will respond to other lock switch message.

CONDITIONS FOR CLEARING THE DTC
The DDM clears this DTC when the switch message is no longer received.

TEST DESCRIPTION
The numbers below refer to the step numbers on the diagnostic table.
2. Checks the existing state of the driver door lock switch by using the current state of the input parameter.