DTC C1AB4: Open in Outer Mirror Indicator(Master) [08/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is stored when the blind spot monitor sensor LH detects an open in the outer rear view mirror indicator LH.

DTC No.	DTC Detection Condition	Trouble Area
C1AB4	Both of the following conditions are met: The blind spot monitor main switch (warning canceling switch assembly) is on. The current flowing to the indicator is below a specified value when indicator operation voltage is being sent to the indicator.	Outer rear view mirror LH (outer rear view mirror indicator LH) Outer rear view mirror assembly LH Wire harness or connector Blind spot monitor sensor LH Outer mirror control ECU assembly LH

DTC No.

DTC Detection Condition

Trouble Area

C1AB4

Both of the following conditions are met:

The blind spot monitor main switch (warning canceling switch assembly) is on.

The current flowing to the indicator is below a specified value when indicator operation voltage is being sent to the indicator.

Outer rear view mirror LH (outer rear view mirror indicator LH)
Outer rear view mirror assembly LH
Wire harness or connector
Blind spot monitor sensor LH
Outer mirror control ECU assembly LH