Toyota Corolla Cross: 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

(a) Disconnect the combination meter assembly connector.

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

Standard Resistance:

(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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