Toyota Tacoma (2015-2018) Service Manual: Components

Water Pump

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On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FOR COOLANT LEAK HINT: The sliding surface inside the engine water pump assembly is lubricated by engine coolant. As some engine coolant is d ...

Other materials:

Test Mode Procedure
TEST MODE PROCEDURE 1. TEST MODE PROCEDURE (for Using Techstream) HINT: If the ignition switch is turned from the ON to the ACC or LOCK position during test mode, DTCs related to the signal check function will be cleared. During test mode, the skid control ECU (master cylinder ...

Pump Motor Relay (C1253)
DESCRIPTION The motor relay (semiconductor relay) is built into the master cylinder solenoid and drives the pump motor based on a signal from the skid control ECU (master cylinder solenoid). DTC No. DTC Detecting Condition Trouble Areas C1253 ...

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default) ...