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                           Last Modified: 05-08-2025 | 
                        6.11:8.1.0  | 
                        
                           Doc ID: RM100000001FWRD | 
                      
                     
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                           Model Year Start: 2019 | 
                        
                           Model: RAV4 | 
                        
                           Prod Date Range: [11/2018 -                    
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                           Title: LIGHTING (INT): LIGHTING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ] | 
                      
                   
                  
                     
                        
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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 lighting 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 AND SYMPTOM CHECK 
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                               3.  
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                               INSPECT AUXILIARY  BATTERY VOLTAGE 
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                  (a) Measure the auxiliary battery voltage with the ignition switch off. 
                  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. 
                  
                     
                        
                           
                              
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                               4.  
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                               CHECK CAN COMMUNICATION SYSTEM* 
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                  (a) Use the Techstream to check if the CAN communication system is functioning normally. 
                  
                     
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for HV Model:
Click here
                                 
                                    
                                        
                                    
                                 
                                 
                                    
                                        
                                    
                                 
                              
                            
                         
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for Gasoline Model:
Click here
                                 
                                    
                                        
                                    
                                 
                              
                            
                         
                      
                   
                  
                     
                        
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                               Result 
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                               Proceed to 
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                               CAN communication system DTCs are not output. 
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                               A 
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                               CAN communication system DTCs are output (for HV Model). 
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                               B 
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                               CAN communication system DTCs are output (for Gasoline Model). 
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                               C 
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A
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                               5.  
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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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                           | B | 
                           
                               
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                               ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE 
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A
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                               6.  
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                               OVERALL ANALYSIS AND TROUBLESHOOTING* 
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                  (a) Operation Check 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  (b) Terminals of ECU 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                  (c) Data List / Active Test 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                  
                     
                        
                           
                              
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                               7.  
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                               ADJUST, REPAIR OR REPLACE 
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                               END 
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