Equus 3173 - Import Code Reader - Manual (Page 50)

Toyota/Lexus
FAULT CODE DEFINITIONS (51 - 85)
47 Chapter 5
Code Description Possible Cause
51 Park / Neutral position switch not Park / Neutral switch, start switch,
in P or N during code retrieval
ECU
52 Knock Sensor circuit Knock sensor or circuit, ECU
53 Knock control malfunction Knock sensor or circuit, ECU
54 Turbocharger intercooler control - Intercooler, coolant level sensor or
coolant too low
circuit, intercooler water pump or
circuit, intercooler ECU, ECU
54 Turbocharger intercooler control - Intercooler, coolant level sensor or
coolant pump motor
circuit, intercooler water pump or
circuit, intercooler ECU, ECU
55 Knock sensor right hand circuit Knock sensor or circuit, ECU
71 EGR system malfunction EGR system, EGR temperature
sensor or circuit, EGR BVSV or
VSV or circuit, ECU
72 Fuel cut-off solenoid signal Fuel cut-off solenoid or circuit, ECU
78 Fuel pump control signal Fuel pump or circuit, ECU power
source or ECU
81 Transmission Control Module ECT1
Communication
83 Transmission Control Module ESA1
Communication
84 Transmission Control Module ESA2
Communication
85 Transmission Control Module ESA3
Communication