Smart Key System (Keyless Start) (Diagnostic Codes & Symptom Tests): Other Toyota Venza I

PROCEDURE

1. CHECK FOR DTC Clear the DTC. Refer to DTC CHECK / CLEAR . Turn the engine switch on (IG). After 330 seconds have elapsed, check if the DTC has been set again. OK DTC B2277 is not output. HINT: If there are any signs that water was present, before replacing the power source control ECU, take measures to prevent any further water entry. NG --> See step 2 OK --> See step 3
2. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL
3. USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING

1. CHECK CAN COMMUNICATION SYSTEM See step 1 NG --> See step 10 OK: Go to next step
2. CHECK SPEEDOMETER OPERATION See step 2 NG --> See step 11 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
4. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
5. CHECK HARNESS AND CONNECTOR (COMBINATION METER - POWER MANAGEMENT CONTROL ECU) See step 6 NG --> See step 8 OK: Go to next step
6. READ VALUE USING TECHSTREAM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Power Source Control / Data List. Read the Data List according to the display on the Techstream. POWER SOURCE CONTROL Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle Speed Signal Vehicle speed signal/Stop or Run Stop: Vehicle stopped Run: Vehicle running - OK Stop (vehicle is stopped) and Run (vehicle is running) appear on the screen. NG --> See step 12 OK: Go to next step
7. CHECK SPEED SIGNAL INPUT STATUS See step 7 NG --> See step 13 OK --> See step 14
8. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 1 JUNCTION BLOCK) See step 8 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (COMBINATION METER - NO. 1 JUNCTION BLOCK) OK: Go to next step
9. CHECK HARNESS AND CONNECTOR (NO. 1 JUNCTION BLOCK - POWER MANAGEMENT CONTROL ECU) See step 9 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (NO. 1 JUNCTION BLOCK - POWER MANAGEMENT CONTROL ECU) OK --> REPLACE NO. 1 JUNCTION CONNECTOR
10. GO TO CAN COMMUNICATION SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE CHART
11. GO TO METER / GAUGE SYSTEM (Speedometer Malfunction). Refer to Speedometer Malfunction
12. GO TO METER / GAUGE SYSTEM (Speedometer Malfunction). Refer to Speedometer Malfunction
13. GO TO METER / GAUGE SYSTEM (Speed Signal Circuit). Refer to Speed Signal Circuit
14. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL

1. CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) See step 1 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) OK: Go to next step
2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) See step 2 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) OK: Go to next step
3. INSPECT IG1 RELAY See step 5 NG --> REPLACE IG1 RELAY OK: Go to next step
4. CHECK HARNESS AND CONNECTOR See step 3 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
5. CHECK HARNESS AND CONNECTOR See step 4 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
6. INSPECT MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) See step 6 NG --> See step 10 OK: Go to next step
7. INSPECT IG2 RELAY See step 5 NG --> REPLACE IG2 RELAY OK: Go to next step
8. CHECK HARNESS AND CONNECTOR See step 7 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
9. CHECK HARNESS AND CONNECTOR (IG2 RELAY - BODY GROUND) See step 8 NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 11
10. REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY). Refer to REMOVAL
11. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL