Smart Key System (For Start Function) (Diagnostic Codes & Symptom Tests) (Except Hybrid): Other Toyota Camry XV50

PROCEDURE

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR»(ref-507760-S38781913432012100900000) . Turn the engine switch on (IG). After 330 seconds have elapsed, check if the DTC has been output again. OK DTC B2277 is not output HINT: If there are any signs that water was present, before replacing the certification ECU (smart key ECU assembly), take measures to prevent any further water entry. NG --> See step 2 OK --> See step 3
2. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL»(ref-508000-S06119007712012100900000) .
3. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-507751-S11319582112012100900000) .

1. CHECK FOR DTC Note any DTCs that are output. Refer to «DTC CHECK / CLEAR»(ref-507760-S38781913432012100900000) . NEXT --> See step 2
2. GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-507980-S08322135472012100900000) .

1. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY). See step 3 . NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
2. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. See step 4 . NG --> See step 5 OK: Go to next step
3. INSPECT CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). See step 5 . NG --> See step 6 OK --> See step 4
4. CHECK RELAY CONTACT SIDE CIRCUIT. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-507751-S11319582112012100900000) .
5. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to «REMOVAL»(ref-507971-S39573589892012100900000) .
6. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to «REMOVAL»(ref-508000-S06119007712012100900000) .