2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 537

B -- INSPECT MAP LIGHT ASSEMBLY (MANUAL (SOS) SWITCH GREEN INDICATOR CONDITION)

A -- Continue to next step.

2. INSPECT MAP LIGHT ASSEMBLY (GREEN INDICATOR)

(a) Disconnect the T10 map light assembly connector.

(b) Connect 2 dry-cell batteries (1.5 V each) in series.

(c) Connect the positive (+) lead to terminal T10-6 (IND2) and the negative (-) lead to terminal T10-7 (GND3) of the map light assembly

connectors.

(d) Check if the illumination for the manual (SOS) switch green indicator comes on.

OK:

Green indicator comes on.

Text in Illustration

NG -- REPLACE MAP LIGHT ASSEMBLY See: Accessories and Optional Equipment/Emergency Contact Button/Service and

Repair/Manual (SOS) Switch/Removal

OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - MAP LIGHT ASSEMBLY)

(a) Disconnect the G25 DCM (Telematics Transceiver) connector.

(b) Disconnect the T10 map light assembly connector.

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