B1370

DTC B1370

Circuit Description
The remote control door lock receiver (RCDLR) provides an high side drive output for the ignition 1 voltage circuit. The ignition 1 voltage circuit controls the Run/Crank relay when the backup power mode is enabled.

DTC Descriptors
This diagnostic procedure supports the following DTC:

DTC B1370 Device Ignition 1 (ON and START) Circuit

Conditions for Running the DTC
Voltage supplied to the module is in the normal operating voltage range of 9-16 volts.

Conditions for Setting the DTC
^ The RCDLR detects a short to ground in the ignition 1 voltage circuit when the output is active.
^ The RCDLR detects a short to battery or an open in the ignition 1 voltage circuit when the output is inactive.
^ Any of the condition above must be present for more than 0.375 seconds.

Action Taken When the DTC Sets
The RCDLR disables the output for the current ignition cycle when a short to ground is detected.

Conditions for Clearing the DTC
^ A current DTC clears when the malfunction is no longer present.
^ A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.