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HOMESERVICE MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSON-BOARD DIAGNOSTIC [ADVANCED KEYLESS ENTRY SYSTEM AND PUSH BUTTON START SYSTEM]DTC P0830:23 [SHORT TO GROUND IN CPP SWITCH CIRCUIT]DIAGNOSTIC PROCEDURE

2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3

Diagnostic Procedure

2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION Diagnostic Procedure

Step	INSPECTION		Action
1	INSPECT CPP SWITCH CONNECTOR AND TERMINALS Switch the ignition to off. Disconnect the negative battery cable. Disconnect the 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 5.
1		No	Go to the next step.
2	INSPECT CPP SWITCH Inspect the CPP switch. (See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION [MZR 2.0, MZR 2.5] .) (See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION [MZR 2.3 DISI TURBO] .) Is there any malfunction?	Yes	Replace the CPP switch, then go to Step 5. (See CLUTCH PEDAL REMOVAL/INSTALLATION [G66M-R] .) (See CLUTCH PEDAL REMOVAL/INSTALLATION [A26M-R] .)
2		No	Go to the next step.
3	INSPECT KEYLESS CONTROL MODULE CONNECTOR AND TERMINALS 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 5.
3		No	Go to the next step.
4	INSPECT CPP SWITCH POWER SUPPLY CIRCUIT FOR SHORT TO GROUND CPP switch and keyless control module connectors are disconnected. Inspect for continuity between the following terminal (wiring harness-side) and body ground: CPP switch terminal A Is there continuity?	Yes	Repair or replace the wiring harness for a possible short to ground, then go to the next step.
4		No	Go to the next step.
5	VERIFY TROUBLESHOOTING COMPLETED Make sure to reconnect the disconnected connectors. Reconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5] .) (See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI TURBO] .) Operate the advanced key to activate the keyless control module. Clear the DTC from the keyless control module using the M-MDS. (See CLEARING DTC [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .) Operate the advanced key to activate the keyless control module. 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	Replace the keyless control module, then go to the next step. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION .)
5		No	Go to the next step.
6	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] .)
6		No	DTC troubleshooting completed.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.