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 > Power Tilt And Power Telescopic Steering Column System: ECU Power Source Circuit Malfunction (B2620)
DESCRIPTION The ECU power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. DTC Code Detection Condition Trouble Area B2620 The voltage of the ECU power source drops to 8 V or less and this condition continues for 10 seconds or more. ECU-DCC NO. 2 fuse Harness or ...
