Description

Cluster switch circuit malfunction

Detection condition

• Instrument cluster detects an open circuit in the cluster switch circuit for 5 s or more with the ignition switched ON (engine off or on).

Fail-safe

Not applicable

Possible cause

• Cluster switch connector or terminal malfunction

• Open circuit in wiring harness between cluster switch terminal C and body ground

• Instrument cluster connector or terminal malfunction

• Open circuit in wiring harness between instrument cluster terminal V and cluster switch terminal B

• Cluster switch malfunction

• Instrument cluster malfunction

Step

Inspection

Action

1

• Switch the ignition off.

• Disconnect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)

• Disconnect the cluster switch connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 6.

2

• Verify that the cluster switch connector is disconnected.

• Inspect for continuity between cluster switch terminal C (wiring harness-side) and body ground.

• Is there continuity?

Yes

Go to the next step.

No

Refer to the wiring diagram and verify whether or not there is a common connector between cluster switch terminal C and body ground.

If there is a common connector:

• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.

• Repair or replace the malfunctioning part.

If there is no common connector:

• Repair or replace the wiring harness which has an open circuit.

Go to Step 6.

3

• Disconnect the instrument cluster connector.

• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.

• Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 6.

4

• Verify that the cluster switch and instrument cluster connectors are disconnected.

• Inspect for continuity between instrument cluster terminal V (wiring harness-side) and cluster switch terminal B (wiring harness-side).

• Is there continuity?

Yes

Go to the next step.

No

Refer to the wiring diagram and verify whether or not there is a common connector between instrument cluster terminal V and cluster switch terminal B.

If there is a common connector:

• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.

• Repair or replace the malfunctioning part.

If there is no common connector:

• Repair or replace the wiring harness which has an open circuit.

Go to Step 6.

5

• Inspect the cluster switch.

  (See DSC OFF SWITCH INSPECTION.)

  (See BLIND SPOT MONITORING (BSM) SWITCH INSPECTION.)

  (See LDWS SWITCH INSPECTION.)

• Is the cluster switch normal?

Yes

Go to the next step.

No

Replace the cluster switch, then go to the next step.

(See CLUSTER SWITCH REMOVAL/INSTALLATION.)

6

• Always reconnect all disconnected connectors.

• Connect the negative battery cable.

  (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)

• Clear the DTC for the instrument cluster using the M-MDS.

  (See CLEARING DTC [INSTRUMENT CLUSTER].)

• Switch the ignition ON (engine off or on) and wait for 5 s or more.

• Retrieve the instrument cluster DTCs using the M-MDS.

  (See DTC INSPECTION [INSTRUMENT CLUSTER].)

• Is the same DTC displayed?

Yes

Repeat the inspection from Step 1.

• If the malfunction recurs, replace the instrument cluster.

  (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

Go to the next step.

No

Go to the next step.

7

• Are any other DTCs displayed?

Yes

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [INSTRUMENT CLUSTER].)

No

DTC troubleshooting completed.