Chrysler 300/300 Touring/300C, Dodge Magnum. Manual - part 669

CHECK (R64) PASSENGER SQUIB 2 LINE 1 CIRCUIT FOR A SHORT TO (R62) PASSENGER SQUIB 2
LINE 2 CIRCUIT

WARNING: To avoid personal injury or death, turn the ignition off,
disconnect the battery and wait two minutes before proceeding.
Disconnect the 8443 Load Tool from the Passenger Airbag Squib con-
nector.

Disconnect the ORC connectors.

NOTE: Check connectors - Clean and repair as necessary.
Connect the 8443 Load Tool ORC Adaptor to the ORC C2 connector.

Measure the resistance between the (R64) Passenger Squib 2 Line 1
circuit and the (R62) Passenger Squib 2 Line 2 circuit at the Passenger
Airbag Squib connector.

Is the resistance below 10K ohms?

Yes

>> Repair the (R64) Passenger Squib 2 Line 1 circuit for a short

to the (R62) Passenger Squib 2 Line 2 circuit.

Perform ORC VERIFICATION TEST - VER 1

>> Go to 4

REPLACE THE ORC

WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to
take the proper precautions can result in accidental airbag deployment and personal injury or death.

NOTE: When reconnecting airbag system components the Ignition must be turned off and the Battery must
be disconnected.

Repair

Replace the ORC in accordance with the Service Information.

Perform ORC VERIFICATION TEST - VER 1

STORED ORC DTC

With the scan tool, record and erase all DTC’s from all Airbag System Modules.

If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two min-
utes before proceeding.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.

Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or con-
taminated terminals.

The following additional checks may assist you in identifying a possible intermittent problem.

Reconnect any disconnected components and harness connector.

WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.
With the scan tool monitor active codes as you work through the following steps.

Wiggle the wiring harness and connectors of the related airbag circuit or component.

If codes are related to the Driver Airbag circuits, rotate the steering wheel from stop to stop.

If only stored codes return continue the test until the problem area has been isolated.

In the previous steps you have attempted to recreate the conditions responsible for setting active DTC in question.

Are any ACTIVE DTCs present?

Yes

>> Select the appropriate diagnostic procedure from the Table of Contents in this section.

>> No problem found at this time. Erase all codes before returning vehicle to customer.

8O - 82

RESTRAINTS - ELECTRICAL DIAGNOSTICS

B1B18-LEFT SIDE CURTAIN SQUIB 1 CIRCUIT LOW

For a complete wiring diagram Refer to Section 8W.

RESTRAINTS - ELECTRICAL DIAGNOSTICS

8O - 83

•

When Monitored:
With the ignition on, the Occupant Restraint Controller (ORC) monitors the resistance of the Left Curtain Squib
1 circuits.

•

Set Condition:
The ORC has detected low resistance of the Left Curtain Squib 1 circuits.

Possible Causes

(R3) LEFT CURTAIN SQUIB 1 LINE 1 CIRCUIT OR (R1) LEFT CURTAIN SQUIB 1 LINE 2 CIRCUIT SHORTED
TO GROUND

LEFT SIDE CURTAIN AIRBAG

ORC

Diagnostic Test

DETERMINE ACTIVE OR STORED DTC

NOTE: Ensure the battery is fully charged.

NOTE: The scan tool, SRS Airbag Load Tool MRL 8443, and DVOM are required to perform the following
test.

NOTE: When reconnecting airbag system components the Ignition must be turned off and the Battery must
be disconnected.
Select Active or Stored DTC.

Is the DTC active or stored?

ORC - ACTIVE DTC

Go To 2

ORC - STORED DTC

Go To 5

CHECK FOR SHORTED SQUIB CIRCUITS IN LEFT SIDE CURTAIN AIRBAG

WARNING: To avoid personal injury or death, turn the ignition off,
disconnect the battery and wait two minutes before proceeding.
Disconnect the Left Side Curtain Airbag connector.

WARNING: To avoid personal injury or death, do not place an
intact undeployed curtain airbag face down on a hard surface, the
airbag will propel into the air if accidentally deployed.

NOTE: Check connectors - Clean and repair as necessary.
Connect the 8443 Load Tool and appropriate Jumper to the Left Side
Curtain Airbag connector.

WARNING: To avoid personal injury or death, turn the ignition on,
then reconnect the battery.
With the scan tool, read the active ORC DTC’s.

Does the scan tool display: B1B18 LEFT SIDE CURTAIN SQUIB
1 CIRCUIT LOW?

Yes

>> Go To 3

>> Replace the Left Side Curtain Airbag in accordance with the

Service Information.

Perform ORC VERIFICATION TEST - VER 1

8O - 84

RESTRAINTS - ELECTRICAL DIAGNOSTICS

CHECK (R3) LEFT CURTAIN SQUIB 1 LINE 1 CIRCUIT AND (R1) LEFT CURTAIN SQUIB 1 LINE 2
CIRCUIT FOR A SHORT TO GROUND

WARNING: To avoid personal injury or death, turn the ignition off,
disconnect the battery and wait two minutes before proceeding.
Disconnect the 8443 Load Tool and Jumper from the Left Side Curtain
Airbag connector.

Disconnect the ORC connectors.

NOTE: Check connectors - Clean and repair as necessary.
Connect the 8443 Load Tool ORC Adaptor to the ORC C1 connector.

Measure the resistance of the (R3) Left Curtain Squib 1 Line 1 circuit
between ground and the Left Side Curtain Airbag connector.

Measure the resistance of the (R1) Left Curtain Squib 1 Line 2 circuit
between ground and the Left Side Curtain Airbag connector.

Is the resistance below 10K ohms on either circuit?

Yes

>> Repair the Left Curtain Squib 1 circuits with a resistance

below 10K ohms for a short to ground.

Perform ORC VERIFICATION TEST - VER 1

>> Go To 4