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                           Last Modified: 05-08-2025 | 
                        6.11:8.1.0  | 
                        
                           Doc ID: RM100000001QOQR | 
                      
                     
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                           Model Year Start: 2021 | 
                        
                           Model: RAV4 | 
                        
                           Prod Date Range: [08/2020 -                    
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                           Title: SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2021 - 2025 MY RAV4 RAV4 HV [08/2020 -        ] | 
                      
                   
                  
                     
                        
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                               HOW TO PROCEED WITH TROUBLESHOOTING 
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                  CAUTION / NOTICE / HINT
                  
                     HINT: 
                     
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Use the following procedure to troubleshoot the seat belt warning system.
 
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*: Use the Techstream.
 
                      
                   
                   
                  PROCEDURE
                   
                  
                     
                        
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                               1.  
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                               VEHICLE BROUGHT TO WORKSHOP 
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                               2.  
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                               CUSTOMER PROBLEM ANALYSIS 
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                  (a) Interview the customer to confirm the problem. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  
                     
                        
                           
                              
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                  (a) Measure the auxiliary battery voltage. 
                  Standard voltage:  
                  11 to 14 V 
                  If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step. 
                  (b) Check the fuses and relays. 
                  (c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc. 
                  
                     
                        
                           
                              
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                               4.  
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                               CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
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                  (a) Using the Techstream, check for CAN communication system DTCs. 
                  for Gasoline Model: Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                  for HV Model: Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                  
                     
                        
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                               Result 
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                               Proceed to 
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                               CAN DTCs are not output 
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                               A 
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                               CAN DTCs are output 
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                               B 
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                           | B | 
                           
                               
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                               GO TO CAN COMMUNICATION SYSTEM
 for Gasoline Model: Click here
                                       
                                          
                                              
                                          
                                       
                                    
                                  
                                 for HV Model: Click here
                                       
                                          
                                              
                                          
                                       
                                    
                                  
                              
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A
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                               5.  
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                               CHECK DTC OUTPUT (AIRBAG SYSTEM)* 
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                  (a) Clear DTCs. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  Body Electrical > SRS Airbag > Clear DTCs
                  (b) Check for DTCs. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  Body Electrical > SRS Airbag > Trouble Codes
                  
                     
                        
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                               Result 
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                               Proceed to 
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                               DTCs are not output 
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                               A 
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                               DTCs are output 
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                               B 
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A
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                               6.  
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                               CHECK COMBINATION METER ASSEMBLY 
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                  (a) Check the operation of the speedometer and shift indicator on the combination meter assembly. 
                  OK:  
                  The speedometer and shift indicator on the combination meter assembly operate normally. 
                  
                  
                     
                        
                           
                              
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OK
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                               7.  
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                               PROBLEM SYMPTOMS TABLE 
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                  (a) Refer to Problem Symptoms Table. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  
                     
                        
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                               Result 
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                               Proceed to 
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                               Fault is not listed in Problem Symptoms Table 
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                               A 
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                               Fault is listed in Problem Symptoms Table 
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                               B 
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A
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                               8.  
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                               OVERALL ANALYSIS AND TROUBLESHOOTING* 
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                  (a) Data List / Active Test 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                  (b) Terminals of ECU 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                  (c) Operation check 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                  (d) Inspection 
                  
                     
                        
                           
                              
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