DTC Troubleshooting

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara, 2007 Suzuki Grand Vitara, and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

DTC TROUBLESHOOTING

Step	Action	YES	NO
1	Was "Air Bag Diagnostic System Check" performed?	Go to Step 2.	Go to AIR BAG DIAGNOSTIC SYSTEM CHECK:ADVANCED AIR BAG .
2	Disconnect SDM connector "L33" and OCM connector "L78". Check proper connection to SDM at terminal "L33-17" and OCM connector at terminal "L78-3". Check OCM-SDM serial communication circuit between "L33-17" and "L78-3" for open, short and high resistance. Is it in good condition?	Go to Step 3.	Repair "RED/GRN" circuit.
3	Measure voltage between "L78-1" and body ground. With ignition switch ON, Is voltage in 9 - 16V?	Go to Step 4.	Repair "RED" circuit.
4	Measure resistance between "L78-2" and body ground. Is continuity indicated?	Substitute a known-good SDM and recheck. If DTC is still indicated, substitute a known-good OCM and recheck.	High resistance or open circuit in "BLK" circuit.

NOTE: Upon completion of inspection and repair work, perform the following items.

Reconnect all air bag system components and ensure all components are properly mounted.
Clear DTCs referring to DTC CLEARANCE:ADVANCED AIR BAG , if any.
Repeat AIR BAG DIAGNOSTIC SYSTEM CHECK:ADVANCED AIR BAG to confirm that the trouble has been corrected.