Toyota Venza manuals

Toyota Venza: Entire Combination Meter does not Operate

Toyota Venza Service Manual / Meter / Gauge / Display / Meter / Gauge System / Entire Combination Meter does not Operate

DESCRIPTION

This circuit is the power source circuit for the meter. This circuit provides two types of power sources; one is a constant power source mainly used as a backup power source, and the other is an IG power source mainly used for signal transmission. The constant power source is mainly used as a backup power source for the meter CPU, however, it is also used for CAN communication. If a voltage of 12 V is not applied to terminal IG2 when the ignition switch is turned to ON, the indicator will not operate.

WIRING DIAGRAM


PROCEDURE

1.

INSPECT COMBINATION METER ASSEMBLY

(a) Disconnect the E2 connector.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

E2-24 (ES) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

E2-13 (IG+) - Body ground

Ignition switch ON

11 to 14 V

E2-1 (B2) - Body ground

Always

11 to 14 V

E2-14 (B) - Body ground

Always

11 to 14 V

Text in Illustration

*1

Front view of wire harness connector

(to Combination Meter Assembly)


OK

REPLACE COMBINATION METER ASSEMBLY


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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