Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Steering Pad Switch Circuit

DESCRIPTION

The combination meter assembly and steering pad switch assembly are connected via direct line.

  • The multi-information display in the combination meter assembly is operated using the switches of the steering pad switch assembly.

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.

  • 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.
  • When replacing the combination meter assembly, update the ECU security key.

    Click here

PROCEDURE

1.

INSPECT STEERING PAD SWITCH ASSEMBLY

Click here

NG

REPLACE STEERING PAD SWITCH ASSEMBLY

OK

2.

INSPECT SPIRAL CABLE SUB-ASSEMBLY

Click here

NG

REPLACE SPIRAL CABLE SUB-ASSEMBLY

OK

3.

CHECK COMBINATION METER ASSEMBLY (OUTPUT VOLTAGE)

*a

Front view of wire harness connector

(to Spiral Cable Sub-assembly)

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

I82-11 (+DP) - Body ground

Ignition switch ON

4.8 to 5.2 V

I82-10 (+DP2) - Body ground

Ignition switch ON

4.8 to 5.2 V

NG

GO TO STEP 5

OK

4.

CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)

(a) Disconnect the I55 radio and display receiver assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I55-20 (SWG) - I82-4 (EAU)

Always

Below 1 Ω

I55-1 (GND1) - Body ground

Always

Below 1 Ω

OK

REPLACE RADIO AND RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.

CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)

(a) Disconnect the I5 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I82-11 (+DP) - I5-29 (MSM+)

Always

Below 1 Ω

I82-10 (+DP2) - I5-12 (MSTI)

Always

Below 1 Ω

I82-11 (+DP) or I5-29 (MSM+) - Body ground

Always

10 kΩ or higher

I82-10 (+DP2) or I5-12 (MSTI) - Body ground

Always

10 kΩ or higher

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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