| (a) Apply auxiliary battery voltage to the No. 2 interior illumination light sub-assembly and check that the light illuminates. OK:  
                                 
                                 
                                 
                                    
                                       | Measurement Condition | Specified Condition |  
                                       | Auxiliary battery positive (+) → 1 (+) Auxiliary battery negative (-) → 2 (-) | Ambient light illuminates |  If the result is not as specified, replace the No. 2 interior illumination light sub-assembly. | 
                                 
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                                                | *a | Component without harness connected (No. 2 Interior Illumination Light Sub-assembly) |  |  |