(1) Disconnect throttle position sensor connector.
(2) Turn ignition switch ON.
Check voltage between terminals IDL and E2 of throttle position
sensor connector.
Measure voltage between terminals IDL and E2
of throttle position sensor connector.
Voltage: 5 V
Go to step [ 3 ].
Adjust or replace throttle position sensor.
(1) Turn ignition switch LOCK.
(2) Insert a feeler gauge between the throttle stop
screw and stop lever.
Measure voltage between terminals IDL and E2
of throttle position sensor connector.
* When diag. code 51 is not displayed, proceed to
next circuit inspection shown on matrix chart
(See page
Check voltage between terminal IDL of throttle position sensor
connector and body ground.
Measure voltage between terminal IDL of throttle
position sensor connector and body ground.
Voltage: 5 V
Check harness and connector between ECU
and throttle position sensor.
Check throttle position sensor.
Replace ECU. *
Throttle Position Sensor IDL Signal
TR–86
–
ENGINE TROUBLESHOOTING
Circuit Inspection
Summary of Contents for 2VZ-FE
Page 1: ...ENGINE MECHANICAL EM 1 ENGINE MECHANICAL Description Operation ...
Page 31: ...CYLINDER HEADS COMPONENTS EM 29 ENGINE MECHANICAL Cylinder Heads ...
Page 63: ...CYLINDER BLOCK REMOVAL OF ENGINE EM 61 ENGINE MECHANICAL Cylinder Block ...
Page 64: ...EM 62 ENGINE MECHANICAL Cylinder Block ...
Page 71: ...COMPONENTS EM 69 ENGINE MECHANICAL Cylinder Block ...
Page 106: ...EFI SYSTEM FI 1 ...
Page 107: ...DESCRIPTION FI 2 EFI SYSTEM Description ...
Page 111: ...OPERATION System Circuit FI 4 EFI SYSTEM Operation System Circuit ...
Page 121: ...FUEL SYSTEM Fuel Pump EFI SYSTEM Fuel System Fuel Pump FI 15 ...
Page 141: ...Fuel Tank and Lines COMPONENTS EFI SYSTEM Fuel System Fuel Tank and Lines FI 35 ...
Page 172: ...EXHAUST SYSTEM EXHAUST SYSTEM REPAIR INSTRUCTIONS EX 1 ...
Page 174: ...EMISSION CONTROL SYSTEMS EC 1 ...
Page 186: ...COOLING SYSTEM CO 1 ...
Page 205: ...LUBRICATION SYSTEM LUBRICATION SYSTEM Description Operation LU 1 ...
Page 224: ...IGNITION SYSTEM IG 1 ...
Page 237: ...SERVICE SPECIFICATIONS IG 14 IGNITION SYSTEM ServiceSpecifications ...
Page 238: ...ENGINE TROUBLESHOOTING TR 1 ...