LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Lexus
>>
2019
>>
RX 450h Base
>>
Repair and Diagnosis (Single Page)
>>
Brakes
>>
Traction Control
>>
Electronically Controlled Brake System (Diagnostic Codes) (3 Of 7)
>>
Electronically Controlled Brake System
>>
DTC C1311: Open Circuit in Main Relay 1; DTC C1312: Short Circuit in Main Relay 1; DTC C1313: Open Circuit in Main Relay 2; DTC C1314: Short Circuit in Main Relay 2 [08/2019 - 07/2020]
>>
Typical Malfunction Thresholds
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Typical Malfunction Thresholds
C12FA AND C130C
Both of the following conditions are met
-
Command to main relay
On
Main relay monitor
Less than 3.5 V
C12FB AND C130D
BS voltage
6.5 V or more