EyeSight (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0402 INVALID DATA RECEIVED FROM TCM
Failure counter diagnosis of automatic transmission control module (TCM)
NOTE:
Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">
Preparation tool
BODY CONTROL SYSTEM (DIAGNOSTICS) > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed operation procedures of Subaru Select Monitor 4, ...
Removal
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Rear Oxygen SensorREMOVAL1. Disconnect the ground cable from battery.2. Lift up the vehicle.3. Remove the under cover. Front Under Cover > REMOVAL">4. Disconnect the rear oxygen sensor connector.(A)Front oxygen (A/F) sensor connector(B)Rear oxygen ...
Inspection
INSTRUMENTATION/DRIVER INFO > Multi-function Display (MFD)INSPECTION1. MULTI-FUNCTION DISPLAY SWITCH1. Measure the resistance between connector terminals.Preparation tool:Circuit testerTerminal No.Inspection conditionsStandard2 — 3 (UP)ENTER (DOWN)All OFF1 M? or more (UP)ONLess than 1 ?ENTERONA ...