DTC CHECK / CLEAR CHECK FOR TRANSPONDER KEY ECU ASSEMBLY DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Immobiliser / Trouble Codes. (e) Check for DTCs. CHECK FOR ECM DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. (e) Check for DTCs. CLEAR TRANSPONDER KEY ECU ASSEMBLY DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Immobiliser / Trouble Codes. (e) Clear the DTCs. CLEAR ECM DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. (e) Clear the DTCs. |
Toyota Tundra Service Manual > Theft Deterrent System: Horn Circuit
DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the horn to sound at intervals of 0.4 seconds. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for cir ...