B1017

Circuit Description
When you first turn the ignition switch to the RUN position, the supplemental restraint sensing and diagnostic module (SDM) performs tests in order to diagnose critical malfunctions within itself. Upon passing these tests, the IGNITION 1 voltage is measured in order to ensure that IGNITION 1 is within the respective normal voltage range. The SDM then performs the DEPLOYMENT LOOP CONTINUITY test. During the DEPLOYMENT LOOP CONTINUITY test, the SDM measures the voltage difference between the PASSENGER SIDE HIGH and the PASSENGER SIDE LOW.

Conditions for Setting the DTC
- The voltage difference between the PASSENGER SIDE HIGH terminal land the PASSENGER SIDE LOW terminal 4 is more than or equal to 400 millivolts.
- The malfunction must be present for at least 500 milliseconds during one of the following tests:
- DEPLOYMENT LOOP CONTINUITY
If the malfunction is detected in this test, the RESISTANCE MEASUREMENT test will not be performed.
- CONTINUOUS MONITORING

Action Taken When the DTC Sets
- The SDM sets a diagnostic trouble code.
- The SDM turns the AIR BAG warning lamp to the ON position.

Conditions for Clearing the DTC
- Current DTC
The voltage difference between PASSENGER SIDE HIGH terminal land PASSENGER SIDE LOW terminal 4 is less than 400 millivolts for 500 milliseconds.
- History DTC
- You issue a scan tool CLEAR CODES command.
- After 250 malfunction free ignition cycles have occurred.

Diagnostic Aids
The following items may cause an intermittent condition:
- A poor connection at the supplemental restraint IP module harness connector terminal A and terminal B
- A poor connection at the SDM terminal 1 and terminal 4
- An open in CKT 14O3
- An open in CKT 14O4
When measurements are requested in this table, use J 39200 Digital Multimeter with the correct terminal adapter from J 35616-A Connector Test Adapter Kit. When an inspection for proper connection is requested, refer to Intermittents and Poor Connections. When a wire, connector or terminal repair is requested, use J 38125-B Terminal Repair Kit and refer to Wiring Repair.

Steps 1 - 3:

Steps 4 - 8:

Steps 9 - 11:

Steps 12 - 17:

Steps 18 - 22:

Test Description
The numbers below refer to the step numbers on the diagnostic table:
2. This test determines the deployment loop voltage difference measured by the supplemental restraint sensing and diagnostic module (SDM).
3. This test inspects for proper contact or corrosion of the yellow 2-way connector.
10. This test isolates the malfunction to one side of the supplemental restraint IP module yellow 2-way connector.
12. This test inspects for proper contact or corrosion of the SDM harness connector.
17. This test determines whether the malfunction is in CKT 1403.
19. This test determines whether the malfunction is in CKT 1404.