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 > Can Communication System: Check Bus 1 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area *1: w/ Pre-collision System *2: w/ Blind Spot Monitor Sys ...
