Diagnostic Procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Step	Inspection		Action
1	INSPECT CLUTCH PEDAL POSITION (CPP) SWITCH CONNECTOR CONDITION Switch the ignition to off Disconnect the negative battery cable Disconnect the clutch pedal position (CPP) switch connector Inspect the connector and terminals (corrosion, damage, pin disconnection) Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 7
1		No	Go to the next step
2	INSPECT PCM CONNECTOR CONDITION Disconnect the PCM connector Inspect the connector and terminals (corrosion, damage, pin disconnection) Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 7
2		No	Go to the next step.
3	INSPECT KEYLESS CONTROL MODULE CONNECTOR CONDITION Disconnect the keyless control module connector Inspect the connector and terminals (corrosion, damage, pin disconnection) Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 7.
3		No	Go to the next step.
4	INSPECT CLUTCH PEDAL POSITION (CPP) SWITCH POWER SUPPLY CIRCUIT FOR SHORT TO GROUND Inspect for continuity between clutch pedal position (CPP) switch terminal A (wiring harness-side) and body ground. Is there continuity?	Yes	Repair or replace the wiring harness for a possible short to ground, then go to Step 7.
4		No	Go to the next step.
5	INSPECT CLUTCH PEDAL POSITION (CPP) SWITCH Inspect the clutch pedal position (CPP) switch. (See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION [L5] .) Is there any malfunction?	Yes	Replace the clutch pedal position (CPP) switch, then go to Step 7. (See CLUTCH PEDAL REMOVAL/INSTALLATION .)
5		No	Go to the next step.
6	INSPECT PCM Reconnect the disconnected connectors. Reconnect the negative battery cable. Switch the ignition to ON Measure the voltage between PCM terminal 1BD (wiring harness-side) and body ground Is the voltage normal? (See PCM INSPECTION [L5] .)	Yes	Go to the next step.
6		No	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [L5] .)
7	VERIFY TROUBLESHOOTING COMPLETED Make sure to reconnect the disconnected connectors. Reconnect the negative battery cable. Clear the DTC from keyless control module memory using the M-MDS (See CLEARING DTC [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .) Perform the advanced keyless entry and push button start system DTC inspection using the M-MDS. (See DTC INSPECTION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .) Is the same DTC present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the keyless control module, then go to the next step. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .)
7		No	Go to the next step.
8	VERIFY THAT NO OTHER DTCs ARE PRESENT Are any DTCs present?	Yes	Go to the applicable DTC inspection (See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .)
8		No	DTC troubleshooting completed.