Toyota Tacoma (2015-2018) Service Manual: Parts Location

Definition Of Terms

DEFINITION OF TERMS Term Definition Monitor description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no tro ...

Other materials:

Cruise Control System Internal Failure (P057504,P057549)
DESCRIPTION This DTC is stored when there is a malfunction in the ECM. DTC No. Detection Item DTC Detection Condition Trouble Area MIL P057504 Cruise Control System Internal Failure While the dynamic rada ...

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY (a) Check the operation of the front seat cushion heater assembly. (1) Apply battery voltage and check the operation of the front seat cushion heater assembly. OK: Connection ...

Precaution
PRECAUTION 1. Check that the battery cables are connected to the correct terminals. 2. Disconnect the battery cables when the battery is given a quick charge. 3. Do not perform tests with a high voltage insulation resistance tester. 4. Never disconnect the battery while the engine is running. 5 ...