Lexus ES: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY
(a) Before cleaning, or after cleaning the throttle body with motor assembly and installing it to the vehicle, turn the power switch on (IG) without operating the accelerator pedal sensor assembly.
NOTICE:
If the accelerator pedal sensor assembly has been operated, restart the procedure from the step above.
(b) Connect the GTS to the DLC3 and check for DTCs. If DTCs are stored, repair them by following the repair procedure flow. If DTCs are not stored, perform the throttle body operation check.
(c) Check throttle body operation.
(1) Enter the following menus:
Powertrain / Engine / Active Test / Control the ETCS Open/Close Slow Speed
(2) During Active Test operation, check the Data List items "Throttle Position Command" and "Throttle Position Sensor No.1 Voltage".
Powertrain > Engine > Active Test| Active Test Display |
|---|
| Control the ETCS Open/Close Slow Speed |
| Data List Display |
|---|
| Throttle Position Sensor No.1 Voltage |
| Throttle Position Command |
.png)
| *a | Correct | *b | Incorrect |
| *c | Throttle Position Command | *d | Throttle Position Sensor No.1 Voltage |
| *e | Specified Condition | *f | 200 ms |
OK:
| Tester Display | Condition | Specified Condition |
|---|---|---|
| Throttle Position Command Throttle Position Sensor No.1 Voltage | Checked during Active Test operation at a voltage of 1.3 V to 2.1 V. | Response lag between Throttle Position Command and Throttle Position Sensor No.1 Voltage is within 200 ms. |
(3) Enter the following menus:
Powertrain / Engine / Active Test / Control the ETCS Open/Close Fast Speed
(4) During Active Test operation, check the Data List items "Throttle Position Command" and "Throttle Position Sensor No.1 Voltage".
Powertrain > Engine > Active Test| Active Test Display |
|---|
| Control the ETCS Open/Close Fast Speed |
| Data List Display |
|---|
| Throttle Position Sensor No.1 Voltage |
| Throttle Position Command |
.png)
| *a | Correct | *b | Incorrect |
| *c | Throttle Position Command | *d | Throttle Position Sensor No.1 Voltage |
| *e | Specified Condition | *f | 200 ms |
OK:
| Tester Display | Condition | Specified Condition |
|---|---|---|
| Throttle Position Command Throttle Position Sensor No.1 Voltage | Checked during Active Test operation at a voltage of 1.3 V to 2.1 V. | Response lag between Throttle Position Command and Throttle Position Sensor No.1 Voltage is within 200 ms. |
(d) If there was any abnormality found during the throttle body operation check, clean the throttle body, then reassemble it and perform the throttle body operation check again. If the operation returns to normal, the procedure is complete. If operation does not return to normal, replace the throttle body with motor assembly.
(e) Perform "Inspection After Repair" after replacing or cleaning the throttle body with motor assembly.
Click here .gif)
READ NEXT:
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during thr
Inspection
INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition S
Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 ENGINE WIRE *2 NO. 2 SURGE TANK STAY *3 EARTH WIRE - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf) N*m (kgf*cm, ft.*lbf): Specified torque ILLUSTRATION
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Dynamic Torque Control AWD System DTC No. Detection Item Link C120C Linear Solenoid Power Supply System Malfunction C1241 Low or High Power Supply Voltage C1280 Engine Circuit Malfunction C1296 ABS Malfunction C1297
