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 > Audio And Visual System: Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION This circuit sends a microphone signal from the telephone microphone assembly to the radio and display receiver assembly. It also supplies power from the radio and display receiver assembly to the telephone microphone assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RAD ...
