2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 879

OK:

Vehicle speed indicated on the tester and on the combination meter are the same.

NG -- CHECK HARNESS AND CONNECTOR (ECU - COMBINATION METER)

OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting

2. CHECK HARNESS AND CONNECTOR (ECU - COMBINATION METER)

(a) Disconnect the F53 ECU connector.

(b) Disconnect the F15 meter connector.

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

Standard resistance:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

3. INSPECT TIRE PRESSURE WARNING ECU (SPD SIGNAL)

(a) Remove the combination meter See: Instrument Panel, Gauges and Warning Indicators/Instrument Cluster / Carrier/Service and

Repair/Removal and Replacement/Combination Meter/Removal.