Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC PROCEDURE - DTC B1921

STEP	INSPECTION	ACTION
1	INSPECT SAS CONTROL MODULE Using the WDS or equivalent, perform SAS control module configuration. Is DTC B1921 indicated?	Yes	[Present malfunction diagnosis] Replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) [Past malfunction diagnosis] DTC troubleshooting completed.
No	DTC troubleshooting completed.

STEP

INSPECTION

ACTION

INSPECT SAS CONTROL MODULE

Using the WDS or equivalent, perform SAS control module configuration.
Is DTC B1921 indicated?

Yes

[Present malfunction diagnosis]

Replace the SAS control module.
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)

[Past malfunction diagnosis]

DTC troubleshooting completed.

DTC troubleshooting completed.