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B1385



DTC B1385

Circuit Description

The instrument panel module (IPM) is the power mode master and the remote control door lock receiver (RCDLR) is the backup power mode master. Both modules receive information regarding ignition mode switch position from the ignition mode switch. IPM receives ignition mode switch position data through the IPM ignition mode data signal circuit.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B1385 Device Ignition 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

B1385 01

The IPM sets the code if it detects a short to battery on ignition mode switch signal circuit.

B1385 59

The IPM sets the code if it detects that the START contact of the ignition mode switch is closed for more than 30 seconds.

Action Taken When the DTC Sets

B1385 01

The IPM does not react to switch inputs until condition is cleared.

B1385 59

The IPM does not react to switch inputs of equal or lower priority until condition is cleared.

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.

Diagnostic Aids

The following can cause the code to set as history:

* An intermittent short to battery on ignition mode switch signal circuit.
* An intermittent problem of the ignition mode switch
* The START button of the ignition mode switch was pressed for more than 30 seconds.

Test

Step 1 - Step 9: