OBD System Description
Precautions: Precautions for Diagnosing Trouble · Precautions for Steering · General safety (00)
The P/S control module has an on-board self-diagnostic function which detects a malfunction in this system. Have full understanding of “OBD System Description” and each item in Precautions for Diagnosing Trouble, before executing diagnosis according to P/S System Check.
The P/S control module performs on-board diagnosis (self-diagnosis) on the system and operates the P/S warning light (1) as follows.
•The P/S warning light turns on when the ignition is “ON” (but the engine at stop) regardless of the condition of the P/S control system. This is only to check if the P/S warning light operates properly.
•When the engine is started, on-board diagnosis (self-diagnosis) is performed and the P/S warning light turns off if no trouble is found.
•When the P/S control module detects a trouble, the P/S warning light comes on to warn the driver of the trouble. At the same time, a DTC is stored in the module.
•When the engine is started, on-board diagnosis (self-diagnosis) is performed and the P/S warning light turns off if no trouble is found.
•When the P/S control module detects a trouble, the P/S warning light comes on to warn the driver of the trouble. At the same time, a DTC is stored in the module.