DTC    P261B    Engine Coolant Pump "B" Control Malfunction

DESCRIPTION

MONITOR DESCRIPTION

MONITOR STRATEGY

CONFIRMATION DRIVING PATTERN

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (ACTIVATE THE ELECTRIC WATER PUMP)

CHECK HARNESS AND CONNECTOR (ENGINE WATER PUMP ASSEMBLY - ECM)

CHECK ECM (WPI VOLTAGE)

CHECK ENGINE WATER PUMP ASSEMBLY (POWER SOURCE)

CHECK HARNESS AND CONNECTOR (ENGINE WATER PUMP ASSEMBLY - BODY GROUND)

CHECK HARNESS AND CONNECTOR (ENGINE WATER PUMP ASSEMBLY - ECM)

REPLACE ENGINE WATER PUMP ASSEMBLY

CHECK WHETHER DTC OUTPUT RECURS (DTC P261B, P261C OR P261D)

INSPECT ENG W/P RELAY

CHECK HARNESS AND CONNECTOR (ENG W/P RELAY - ENGINE WATER PUMP ASSEMBLY)

CHECK ENG W/P RELAY (POWER SOURCE)

CHECK HARNESS AND CONNECTOR (ENG W/P RELAY - BODY GROUND)