2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) P Code Charts Page 567

VTA1: Throttle Position No. 1

VTA2: Throttle position No. 2

- If DTC P0121 is output, proceed ti the "CHECK HARNESS AND CONNECTOR (THROTTLE POSITION SENSOR -

ECM)".

B -- CHECK WHETHER DTC OUTPUT RECURS (THROTTLE POSITION SENSOR DTCS)

A -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (THROTTLE POSITION SENSOR - ECM)

(a) Disconnect the throttle with motor body assembly connector.

(b) Disconnect the ECM connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance (Check for Open):

Standard Resistance (Check for Short):

Text in Illustration

(d) Reconnect the ECM connector.

(e) Reconnect the throttle with motor body assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (THROTTLE POSITION SENSOR - ECM)

OK -- Continue to next step.

3. INSPECT ECM (VC VOLTAGE)

(a) Disconnect the throttle with motor body assembly connector.