CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0488)
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (DIESEL THROTTLE TARGET ANGLE)
INSPECT VACUUM HOSE AND PIPE (BETWEEN INTERCOOLER AND INTAKE MANIFOLD)
REPAIR OR REPLACE VACUUM HOSE AND PIPE
CHECK FOR DEPOSIT (DIESEL THROTTLE BODY ASSEMBLY)
INSPECT DIESEL THROTTLE BODY ASSEMBLY (THROTTLE VALVE MOVEMENT)
CHECK FOR DEPOSIT (DIESEL THROTTLE BODY ASSEMBLY)
INSPECT DIESEL THROTTLE BODY ASSEMBLY (THROTTLE VALVE MOVEMENT)
CHECK HARNESS AND CONNECTOR (DIESEL THROTTLE BODY - ECM)
REPAIR OR REPLACE HARNESS OR CONNECTOR
REPLACE DIESEL THROTTLE BODY ASSEMBLY