2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) P Code Charts Page 1837

2. CHECK STOP LIGHT SWITCH ASSEMBLY (TERMINAL VOLTAGE)

(a) Disconnect the stop light switch assembly connector.

(b) Turn the engine switch on (IG).

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

Standard Voltage:

Text in Illustration

(d) Reconnect the stop light switch assembly connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - IG2 RELAY)

OK -- Continue to next step.

3. INSPECT STOP LIGHT SWITCH ASSEMBLY

(a) Remove the stop light switch assembly.

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

Standard Resistance:

(c) Reinstall the stop light switch assembly.

NG -- REPLACE STOP LIGHT SWITCH ASSEMBLY See: Lighting and Horns/Brake Light Switch/Service and

Repair/Removal

OK -- Continue to next step.

4. CHECK ECM (STP AND ST1 - VOLTAGE)

(a) Disconnect the ECM connector.