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

Toyota Yaris XP210 (2020-2025) 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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
H6-38 (IG+) - Body ground	Ignition switch off	Below 1 V
H6-38 (IG+) - Body ground	Ignition switch ON	10.5 to 16 V
H6-22 (B) - Body ground	Ignition switch off	11 to 14 V

REPLACE COMBINATION METER ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

Lost Communication With ECM/PCM "A" Missing Message (U010087,U011487,U012987,U013187,U014087,U015187,U016887,U023587,U023A87,U111287,U113387)

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Other information:

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