Toyota Yaris Diagnostic Conector

INSPECT LIGHT CONTROL RHEOSTAT

Light Control Rheostat

nr^nn

Waveform :

Waveform :

Toyota Yaris Temprecher Meter Checking

(a) Remove the light control rheostat but without disconnecting the connector.

(b) Turn the ignition switch ON.

(c) Using an oscilloscope, check the signal waveform of the light control rheostat.

Item

Terminal connection

Tool setting

Vehicle condition

Contents

Ignition switch ON

Waveform is as shown in the illustration.

HINT:

Duty ratio changes as the illumination dims. (A becomes longer)

(d) Reinstall the light control rheostat.

REPLACE LIGHT CONTROL RHEOSTAT

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY [email protected] CONTROL RHEOSTAT)

Wire Harness Side:

Combination Meter Assembly Conector ru-L_n

Ftf=tPi

Ftf=tPi

ILL-

Light Control Rheostat Conector

,—1 1—1

L

U—Ir

,Hc I A I o 111 4 "N!

5

4

3

2,|11

10

g

8

(a) Disconnect the D1 combination meter assembly connector.

(b) Disconnect the D29 light control rheostat connector connector.

(c) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

D1-7 (ILL-) - D29-2 (RV)

Below 1 Q

(d) Reconnect the combination meter assembly.

(e) Reconnect the light control rheostat connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

E118621E02

REPLACE COMBINATION METER ASSEMBLY

METER / GAUGE SYSTEM (for Hatchback) PARTS LOCATION

Toyota Camry Diagnostic Code ChartCruiser Vvt Location
ASSEMBLY LH (DRIVER SIDE)

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