2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 712

Standard Voltage:

Text in Illustration

NG -- REPLACE FLOOR WIRE

OK -- Continue to next step.

36. CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Turn the engine switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

NOTICE:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

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

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE

OK -- Continue to next step.

37. CHECK WIRE HARNESS (OPEN)

(a) Connect the connectors that link the floor wire and front door wire RH.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 409

Standard Voltage:

(f) Check for an open in the circuit.

(1) Turn the engine switch off.

(2) Disconnect the cable from the negative (-) battery terminal.

NOTICE:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

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

Standard Resistance:

(g) Check for a short to ground in the circuit.

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

Standard Resistance:

(h) Check for a short in the circuit.

(1) Release the activation prevention mechanism built into connector B See: Restraints and Safety Systems/Air Bag Systems/Testing

and Inspection/Initial Inspection and Diagnostic Overview/Diagnosis System.

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

Standard Resistance:

Text in Illustration

NG -- CHECK INSTRUMENT PANEL WIRE

OK -- Continue to next step.

4. CHECK CENTER AIRBAG SENSOR ASSEMBLY

(a) Restore the released activation prevention mechanism of connector B to the original condition.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 438

Standard Voltage:

(f) Check for an open in the circuit.

(1) Turn the engine switch off.

(2) Disconnect the cable from the negative (-) battery terminal.

NOTICE:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

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

Standard Resistance:

(g) Check for a short to ground in the circuit.

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

Standard Resistance:

(h) Check for a short in the circuit.

(1) Release the activation prevention mechanism built into connector B See: Restraints and Safety Systems/Air Bag Systems/Testing

and Inspection/Initial Inspection and Diagnostic Overview/Diagnosis System.

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

Standard Resistance:

Text in Illustration

NG -- CHECK INSTRUMENT PANEL WIRE

OK -- Continue to next step.

2. CHECK CENTER AIRBAG SENSOR ASSEMBLY

(a) Restore the released activation prevention mechanism of connector B to the original condition.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 196

Standard Voltage:

Text in Illustration

NG -- CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - A/C PRESSURE SENSOR)

OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (GROUND CIRCUIT)

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

Standard Resistance:

Text in Illustration

NG -- CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - A/C PRESSURE SENSOR)

OK -- Continue to next step.

3. INSPECT A/C PRESSURE SENSOR (SENSOR SIGNAL CIRCUIT)

(a) Reconnect the A/C pressure sensor connector.

(b) Remove the A/C amplifier with the connectors still connected.

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

Standard Voltage:

HINT

If the voltage is not as specified, there may be a malfunction in the A/C amplifier, A/C pressure sensor or wire harness. It is also