Intention of troubleshooting procedure

WARNING: This page is about a different variant/trim than selected.

Step 1-6
- Perform an inspection of the connectors and wiring harnesses between the exhaust shutter valve and the PCM.
Step 7
- Perform a unit inspection of the exhaust shutter valve.
Step 8-9
- Verify that the primary malfunction is resolved and there are no other malfunctions.

TROUBLESHOOTING DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	PURPOSE: INSPECT EXHAUST SHUTTER VALVE CONNECTOR CONDITION Switch the ignition off. Disconnect the exhaust shutter valve connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 8.
1		No	Go to the next step.
2	PURPOSE: INSPECT PCM CONNECTOR CONDITION Disconnect the PCM connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 8.
2		No	Go to the next step.
3	PURPOSE: INSPECT EXHAUST SHUTTER VALVE CIRCUIT FOR SHORT TO GROUND Verify that the exhaust shutter valve and PCM connectors are disconnected. Inspect for continuity between the following terminals (wiring harness-side) and body ground: Exhaust shutter valve terminal A Exhaust shutter valve terminal B Is there continuity?	Yes	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Exhaust shutter valve terminal A-PCM terminal 1CS Exhaust shutter valve terminal B-PCM terminal 1CT 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 a short to ground. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to ground. Go to Step 8.
3		No	Go to the next step.
4	PURPOSE: INSPECT EXHAUST SHUTTER VALVE CIRCUITS FOR SHORT CIRCUIT Verify that the exhaust shutter valve and PCM connectors are disconnected. Inspect for continuity between exhaust shutter valve terminals A and B (wiring harness-side). Is there continuity?	Yes	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Exhaust shutter valve terminal A-PCM terminal 1CS Exhaust shutter valve terminal B-PCM terminal 1CT 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 a short to each other. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to each other. Go to Step 8.
4		No	Go to the next step.
5	PURPOSE: INSPECT EXHAUST SHUTTER VALVE CIRCUIT FOR SHORT TO POWER SUPPLY Verify that the exhaust shutter valve and PCM connectors are disconnected. Switch the ignition ON (engine off). NOTE: Another DTC may be stored by the PCM detecting an open circuit. Measure the voltage at the following terminals (wiring harness-side): Exhaust shutter valve terminal A Exhaust shutter valve terminal B Is the voltage 0 V?	Yes	Go to the next step.
5		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Exhaust shutter valve terminal A-PCM terminal 1CS Exhaust shutter valve terminal B-PCM terminal 1CT 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 a short to power supply. Repair or replace the malfunctioning part. If there is no common connector: Repair or replace the wiring harness which has a short to power supply. Go to Step 8.
6	PURPOSE: INSPECT EXHAUST SHUTTER VALVE CIRCUIT FOR OPEN CIRCUIT Verify that the exhaust shutter valve and PCM connectors are disconnected. Switch the ignition off. Inspect for continuity between the following terminals (wiring harness-side): Exhaust shutter valve terminal A-PCM terminal 1CS Exhaust shutter valve terminal B-PCM terminal 1CT Is there continuity?	Yes	Go to the next step.
6		No	Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals: Exhaust shutter valve terminal A-PCM terminal 1CS Exhaust shutter valve terminal B-PCM terminal 1CT 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 8.
7	PURPOSE: INSPECT EXHAUST SHUTTER VALVE Reconnect all disconnected connectors. Inspect the exhaust shutter valve. (See EXHAUST SHUTTER VALVE POSITION SENSOR INSPECTION [VIN M] ). Is there any malfunction?	Yes	Replace the TWC, then go to the next step. (See EXHAUST SHUTTER VALVE POSITION SENSOR REMOVAL/INSTALLATION [VIN M] ).
7		No	Go to the next step.
8	PURPOSE: VERIFY DTC TROUBLESHOOTING COMPLETED Always reconnect all disconnected connectors. Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC ). Implement the repeatability verification procedure. (See Repeatability Verification Procedure ). Perform the Pending Trouble Code Access Procedure. (See ON-BOARD DIAGNOSTIC TEST ). Is the PENDING CODE for this DTC present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION [VIN M] ). Go to the next step.
8		No	Go to the next step.
9	PURPOSE: VERIFY IF THERE IS ANY OTHER MALFUNCTION Is any other DTC or pending code stored?	Yes	Go to the applicable DTC inspection. (See DTC TABLE ).
9		No	DTC troubleshooting completed.