NOTE: For the diagnostic procedure, refer to LAN section. Basic Diagnostic Procedure 1. OUTLINE OF DIAGNOSIS NOTE: For the detection standard, refer to DTC U0402. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0402 INVALID DATA RECEIVED FROM TCM |
Inspection
1. CHECK THE MASS AIR FLOW SENSOR UNIT1. Connect the battery positive terminal to terminal No. 3 and the battery ground terminal to terminal No. 4, and connect the circuit tester positive terminal to terminal No. 5 and the circuit tester ground terminal to terminal No. 4.2. Check the voltage changes ...