Lexus NX: Odo/Trip Switch Malfunction

DESCRIPTION

The ODO/TRIP display of the combination meter changes each time the trip switch is pressed.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When replacing the combination meter assembly, make sure to replace it with a new one.

PROCEDURE

1.

READ VALUE USING TECHSTREAM (ODO/TRIP CHANGE SW)

(a) Using the Techstream, read the Data List.

Click here

Body Electrical > Combination Meter > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

ODO/TRIP Change SW

ODO/TRIP switch

OFF or ON

OFF: ODO/TRIP switch released

ON: ODO/TRIP switch pushed

-

Body Electrical > Combination Meter > Data List

Tester Display

ODO/TRIP Change SW

OK:

ODO/TRIP switch condition displayed on the Techstream changes with the actual switch operation.

OK

REPLACE COMBINATION METER ASSEMBLY

NG

2.

INSPECT TRIP SWITCH

(a) Remove the trip switch.

Click here

(b) Inspect the trip switch.

Click here

NG

REPLACE TRIP SWITCH

OK

3.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - TRIP SWITCH)

(a) Disconnect the I10 combination meter assembly connector.

(b) Disconnect the I1 trip switch connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I10-4 (ODO) - I1-4 (A/B)

Always

Below 1 Ω

I10-26 (SW3) - I1-5 (E)

Always

Below 1 Ω

I10-4 (ODO) or I1-4 (A/B) - Body ground

Always

10 kΩ or higher

I10-26 (SW3) or I1-5 (E) - Body ground

Always

10 kΩ or higher

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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