| 
                           Last Modified: 05-08-2025 | 
                        6.11:8.1.0  | 
                        
                           Doc ID: RM100000001EKJB | 
                      
                     
                        | 
                           Model Year Start: 2019 | 
                        
                           Model: RAV4 HV | 
                        
                           Prod Date Range: [11/2018 - 08/2020] | 
                      
                     
                        | 
                           Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for 2WD with NICKEL METAL HYDRIDE BATTERY): P0ADD11; Hybrid/EV Battery Negative Contactor Circuit Short to Ground; 2019 - 2020 MY RAV4 HV [11/2018 - 08/2020] | 
                      
                   
                  
                     
                        
                           | 
                               DTC 
                            | 
                           
                               P0ADD11 
                            | 
                           
                               Hybrid/EV Battery Negative Contactor Circuit Short to Ground 
                            | 
                         
                     
                   
                   
                  DESCRIPTION
                  Refer to the description for DTC P0AE411. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  
                     
                        
                        
                        
                        
                        
                        
                     
                     
                        
                           | 
                               DTC No. 
                            | 
                           
                               Detection Item 
                            | 
                           
                               DTC Detection Condition 
                            | 
                           
                               Trouble Area 
                            | 
                           
                               MIL 
                            | 
                           
                               Warning Indicate 
                            | 
                         
                     
                     
                        
                           | 
                               P0ADD11 
                            | 
                           
                               Hybrid/EV Battery Negative Contactor Circuit Short to Ground 
                            | 
                           
                               Short to ground in the SMRG circuit: 
                              Primary circuit of SMR (-) is malfunctioning. 
                              (2 trip detection logic) 
                            | 
                           
                              
                                 
                                    - 
Wire harness or connector
 
                                    - 
HV battery junction block assembly
 
                                    - 
Hybrid vehicle control ECU assembly
 
                                  
                               
                            | 
                           
                               Does not come on 
                            | 
                           
                               Master Warning: 
                              Comes on 
                            | 
                         
                     
                   
                  Related Data List
                  
                     
                        
                        
                     
                     
                        
                           | 
                               DTC No. 
                            | 
                           
                               Data List 
                            | 
                         
                     
                     
                        
                           | 
                               P0ADD11 
                            | 
                           
                              
                                 
                                    - 
VL-Voltage before Boosting
 
                                    - 
VH-Voltage after Boosting
 
                                    - 
Hybrid Battery Voltage
 
                                    - 
SMRP Status
 
                                    - 
SMRB Status
 
                                    - 
SMRG Status
 
                                    - 
SMRP Control Status
 
                                    - 
SMRB Control Status
 
                                    - 
SMRG Control Status
 
                                    - 
Boosting Converter Shutdown Status
 
                                    - 
Generator Inverter Shutdown Status
 
                                    - 
Motor Inverter Shutdown Status
 
                                  
                               
                            | 
                         
                     
                   
                   
                  CONFIRMATION DRIVING PATTERN
                  HINT: 
                  After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  
                     
                        - 
Connect the Techstream to the DLC3.
 
                        - 
Turn the power switch on (IG) and turn the Techstream on.
 
                        - 
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
 
                        - 
Turn the power switch off and wait for 2 minutes or more.
 
                        - 
Turn the power switch on (READY) and wait for 30 seconds or more.
 
                        - 
Turn the power switch off and wait for 2 minutes or more.
 
                        - 
Turn the power switch on (IG) and turn the Techstream on.
 
                        - 
Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
 
                        - 
Check the DTC judgment result.
                              HINT: 
                              
                                 - 
If the judgment result shows NORMAL, the system is normal.
 
                                 - 
If the judgment result shows ABNORMAL, the system has a malfunction.
 
                                 - 
If the judgment result shows INCOMPLETE, perform driving pattern again.
 
                               
                            
                         
                      
                   
                   
                  WIRING DIAGRAM
                  Refer to the wiring diagram for the HV battery high-voltage line circuit. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                   
                  CAUTION / NOTICE / HINT
                  
                  NOTICE: 
                  After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  HINT: 
                  If DTC P0ADD11 is output, the power switch cannot be turned on (READY). 
                   
                  PROCEDURE
                   
                  
                     
                        
                           | 
                               1.  
                            | 
                           
                               CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - BODY GROUND) 
                            | 
                         
                     
                   
                  (a) Disconnect the A31 hybrid vehicle control ECU assembly connector. 
                  
                     
                        
                           | 
                               (b) Measure the resistance according to the value(s) in the table below. 
                              Standard Resistance:  
                              
                                 
                                 
                                 
                                 
                                    
                                       | 
                                           Tester Connection 
                                        | 
                                       
                                           Condition 
                                        | 
                                       
                                           Specified Condition 
                                        | 
                                     
                                 
                                 
                                    
                                       | 
                                           A31-13 (SMRG) - Body ground 
                                        | 
                                       
                                           Power switch off 
                                        | 
                                       
                                           25.0 to 59.0 Ω 
                                        | 
                                     
                                 
                               
                            | 
                           
                              
                                 
                                    
                                        
                                     | 
                                  
                                 
                                    
                                       
                                          
                                             
                                             
                                          
                                          
                                             
                                                | 
                                                    *a 
                                                 | 
                                                
                                                    Front view of wire harness connector 
                                                   (to Hybrid Vehicle Control ECU Assembly) 
                                                 | 
                                              
                                          
                                        
                                     | 
                                  
                               
                            | 
                         
                     
                   
                  (c) Reconnect the A31 hybrid vehicle control ECU assembly connector. 
                  
                  
                     
                        
                           
                              
                                 | 
NG
 | 
                               
                              
                                 
                                     
                                  | 
                               
                            
                         | 
                      
                   
                   
                  
                     
                        
                           | 
                               2.  
                            | 
                           
                               CHECK CONNECTOR CONNECTION CONDITION (FLOOR WIRE CONNECTOR) 
                            | 
                         
                     
                   
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  
                     
                        
                           | 
                               Result 
                            | 
                           
                               Proceed to 
                            | 
                         
                     
                     
                        
                           | 
                               OK 
                            | 
                           
                               A 
                            | 
                         
                        
                           | 
                               NG (The connector is not connected securely.) 
                            | 
                           
                               B 
                            | 
                         
                        
                           | 
                               NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) 
                            | 
                           
                               C 
                            | 
                         
                     
                   
                  
                     
                        
                           | B | 
                           
                               
                            | 
                           
                               CONNECT SECURELY 
                            | 
                         
                     
                   
                  
                     
                        
                           | C | 
                           
                               
                            | 
                           
                               REPAIR OR REPLACE HARNESS OR CONNECTOR 
                            | 
                         
                     
                   
                  
                     
                        
                           
                              
                                 | 
A
 | 
                               
                              
                                 
                                     
                                  | 
                               
                            
                         | 
                      
                   
                   
                  
                     
                        
                           | 
                               3.  
                            | 
                           
                               CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - HV BATTERY JUNCTION BLOCK ASSEMBLY) 
                            | 
                         
                     
                   
                  CAUTION: 
                  Be sure to wear insulated gloves. 
                  (a) Check that the service plug grip is not installed. 
                  NOTICE: 
                  After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction. 
                  (b) Remove the No. 1 HV battery cover panel RH. 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                  
                     
                        
                           | 
                               (c) Disconnect the M32 HV battery junction block assembly connector. 
                            | 
                           
                              
                            | 
                         
                     
                   
                  (d) Disconnect the A31 hybrid vehicle control ECU assembly connector. 
                  
                     
                        
                           | 
                               (e) Measure the resistance according to the value(s) in the table below. 
                              Standard Resistance:  
                              
                                 
                                 
                                 
                                 
                                    
                                       | 
                                           Tester Connection 
                                        | 
                                       
                                           Condition 
                                        | 
                                       
                                           Specified Condition 
                                        | 
                                     
                                 
                                 
                                    
                                       | 
                                           A31-13 (SMRG) or M32-4 (SMRG) - Body ground and other terminals 
                                        | 
                                       
                                           Power switch off 
                                        | 
                                       
                                           10 kΩ or higher 
                                        | 
                                     
                                 
                               
                            | 
                           
                              
                                 
                                    
                                        
                                     | 
                                  
                                 
                                    
                                       
                                          
                                             
                                             
                                          
                                          
                                             
                                                | 
                                                    *a 
                                                 | 
                                                
                                                    Front view of wire harness connector 
                                                   (to Hybrid Vehicle Control ECU Assembly) 
                                                 | 
                                              
                                             
                                                | 
                                                    *b 
                                                 | 
                                                
                                                    Front view of wire harness connector 
                                                   (to HV Battery Junction Block Assembly) 
                                                 | 
                                              
                                          
                                        
                                     | 
                                  
                               
                            | 
                         
                     
                   
                  (f) Reconnect the A31 hybrid vehicle control ECU assembly connector. 
                  (g) Reconnect the M32 HV battery junction block assembly connector. 
                  (h) Install the No. 1 HV battery cover panel RH. 
                  
                  
                     
                        
                           | NG | 
                           
                               
                            | 
                           
                               REPAIR OR REPLACE HARNESS OR CONNECTOR 
                            | 
                         
                     
                   
                  
                |