Toyota Yaris: Meter / Gauge System / Entire Combination Meter does not Operate

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Vehicle Interior / Meter / Gauge / Display / Meter / Gauge System / Entire Combination Meter does not Operate

DESCRIPTION

This circuit is the power source circuit for the combination meter assembly. This circuit provides two types of power sources; one is a constant power source, and the other is an IG power source.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
  • Inspect the fuses of circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

(a) Disconnect the H6 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

H6-19 (EP) - Body ground

Always

Below 1 Ω

H6-23 (ES) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

H6-38 (IG+) - Body ground

Ignition switch off

Below 1 V

Ignition switch ON

10.5 to 16 V

H6-22 (B) - Body ground

Ignition switch off

11 to 14 V

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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