DIAGNOSIS SYSTEM DESCRIPTION (a) The transponder key ECU assembly controls the engine immobiliser system. Engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). CHECK DLC3 (a) Check the DLC3. Click here INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery. |
Toyota Tundra Service Manual > Navigation System: Parking Brake Switch Circuit
DESCRIPTION This circuit includes the parking brake switch assembly and navigation receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK VEHICLE SIGNAL (OPERATION CHECK) (a) Display the "Vehicle Signal Check Mode" screen (See page ). (b) Check that the display changes between ON and OFF according to ...