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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AZ85 |  
                        | Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - 08/2021] |  
                        | Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): C1432; Steering Angle Sensor Power Source Voltage; 2019 - 2021 MY Avalon [04/2018 - 08/2021] |  
                     
                        
                           | DTC | C1432 | Steering Angle Sensor Power Source Voltage |  DESCRIPTIONThis DTC is stored when the skid control ECU (brake actuator assembly) receives a +B line open signal from the steering angle sensor. 
                     
                        
                        
                        
                        
                     
                     
                        
                           | DTC No. | Detection Item | DTC Detection Condition | Trouble Area |  
                           | C1432 | Steering Angle Sensor Power Source Voltage | With the +BS terminal voltage between 9.6 and 16.5 V, a steering angle sensor power supply circuit malfunction signal is received from the steering angle sensor. | 
                                 
                                    
Steering angle sensor power supply
Steering angle sensor
 |  WIRING DIAGRAMRefer to DTC C1231. Click here
                        
                           
                              ![2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): C1231; Steering Angle Sensor Circuit](/t3Portal/stylegraphics/info.gif)  CAUTION / NOTICE / HINTNOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
                     
                        
                           | 1.  | CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL) |  
                     
                        
                           | (a) Remove the steering wheel and column cover. | 
                                 
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                                                | *a | Front view of wire harness connector (to Steering Angle Sensor) |  |  |  (b) Make sure that there is no looseness at the locking part and the connecting part of the connector. OK:  The connector is securely connected. (c) Disconnect the G48 steering angle sensor connector. (d) Check both the connector case and the terminals for deformation and corrosion. OK:  No deformation or corrosion. (e) Measure the voltage according to the value(s) in the table below. Standard Voltage:  
                     
                        
                        
                        
                     
                     
                        
                           | Tester Connection | Condition | Specified Condition |  
                           | G48-4 (BAT) - Body ground | Always | 11 to 14 V |  
                           | G48-9 (IG1) - Body ground | Engine switch on (IG) | 11 to 14 V |  
                     
                        
                           | NG |   | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |  
                     
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                                 | OK |  
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                           | 2.  | CHECK HARNESS AND CONNECTOR (GROUND TERMINAL) |  
                     
                        
                           | (a) Turn the engine switch off. | 
                                 
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                                                | *a | Front view of wire harness connector (to Steering Angle Sensor) |  |  |  (b) Measure the resistance according to the value(s) in the table below. NOTICE: Before measuring the resistance of the steering angle sensor, turn the engine switch off and leave the vehicle for 1 minute or more without operating the key or switches, or opening or closing the doors. Standard Resistance:  
                     
                        
                        
                        
                     
                     
                        
                           | Tester Connection | Condition | Specified Condition |  
                           | G48-6 (ESS) - Body ground | 1 minute after engine switch off | Below 1 Ω |  
                     
                        
                           | NG |   | REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) |  |