Pinpoint Test B: Unable To Enter Self-Test

B1 CHECK THE COMMUNICATION TO THE ABS MODULE 

• Connect the diagnostic tool.
• Key in ON position.
• Check the communication to the ABS module.
• Does the diagnostic tool communicate with the ABS module? 

Yes 

INSTALL a new ABS module REFER to HYDRAULIC CONTROL UNIT (HCU) . REPEAT the self-test. TEST the system for normal operation.

No 

Go to PINPOINT TEST A .