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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Supplemental Restraint System) >> Diagnostic Tests >> Air Bag And Safety Belt PRETENSIONER Supplemental Restraint System (SRS) >> Pinpoint Tests >> Pinpoint Test V: DTC B2792 - Cross Link Between Firing Loops >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

The Restraints Control Module (RCM) monitors all deployable devices for a cross link fault between circuits. If the RCM detects a short between any of the deployable circuits, it will store a diagnostic trouble code B2792 in memory, flash LFC 12-11 on the air bag warning indicator.

Fault PIDsa Description Fault Trigger Condition
2792_12_OD and 2792_12_CM Side Airbag Passenger When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.
2792_13_OD and 2792_13_CM Side Airbag Driver When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.
2792_16_OD and 2792_16_CM Deployable steering Column When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.
2792_26_OD and 2792_26_CM Pretensioner Passenger When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.
2792_27_OD and 2792_27_CM Pretensioner Driver When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.
2792_28_OD and 2792_28_CM Airbag Passenger Front Loop #2 When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.
2792_29_OD and 2792_29_CM Airbag Passenger Front Loop #1 When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.
2792_30_OD and 2792_30_CM Airbag Driver Front Loop #2 When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.
2792_31_OD and 2792_31_CM Airbag Driver Front Loop #1 When the RCM detects a short between the circuits of 2 deployable devices, a fault will be indicated.

a Fault PIDs that end in OD indicate an on-demand status and are associated with on-demand DTC B2792. Fault PIDs that end in CM indicate continuous memory status and are associated with continuous DTC B2792.

This pinpoint test is intended to diagnose the following:

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