Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Entire Combination Meter does not Operate

Toyota Corolla Cross (2022-2024) 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.
  • When replacing the combination meter assembly, update the ECU security key.

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PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

(a) Disconnect the combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I4-1 (EP) - Body ground

Always

Below 1 Ω

I4-2 (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

I4-6 (IG+) - Body ground

Ignition switch off

Below 1 V

Ignition switch ON*1

11 to 14 V

Ignition switch ON*2

10.5 to 16 V

I4-5 (B) - Body ground

Ignition switch off

11 to 14 V
  • *1: for HEV Model
  • *2: for Gasoline Model

*a

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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