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OPERATION USING COMMANDER SWITCH NOT POSSIBLE

OPERATION USING COMMANDER SWITCH NOT POSSIBLE

SM2337308


id160300001200



Outline

Possible cause
• Connector or terminal malfunction of the following parts:
― Commander switch
― Connectivity master unit (CMU)
• Short to power supply, short to ground, or open circuit in commander switch signal circuit
• Commander switch malfunction
• Connectivity master unit (CMU) malfunction



Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY ALL SYSTEM DTCs
• Perform the DTC inspection. (Refer to the [DTC INSPECTION] in the workshop manual)
• Are any DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
2
INSPECT COMMANDER SWITCH AND CONNECTIVITY MASTER UNIT (CMU) CONNECTORS FOR MALFUNCTION
• Inspect the applicable connector and terminal. (Refer to the [CONNECTOR INSPECTION] in the workshop manual)
• Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
3
INSPECT COMMANDER SWITCH SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY, SHORT TO GROUND AND OPEN CIRCUIT
• Inspect the signal circuit for a short to power supply, short to ground, and an open circuit. (Refer to the [CIRCUIT INSPECTION] in the workshop manual)
• Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT COMMANDER SWITCH FOR MALFUNCTION
• Inspect the applicable part. (Refer to the [COMMANDER SWITCH INSPECTION] in the workshop manual)
• Is the part normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
(Refer to the [COMMANDER SWITCH REMOVAL/INSTALLATION] in the workshop manual)
Repair completion verification
VERIFY THAT VEHICLE IS REPAIRED
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Has the malfunction symptom been eliminated?
Yes
Complete the symptom troubleshooting. (Explain contents of repair to customer)
No
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual)
If the CAN communication is normal, perform the diagnosis from Step 1.
• If the malfunction is not resolved, replace the connectivity master unit (CMU). (Refer to the [CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION] in the workshop manual)