Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

DTC P2195 [BP, BP WITH TC] DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY REPAIR INFORMATION AVAILABILITY Verify related service repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	VERIFY RELATED PENDING CODE OR STORED DTCS Turn ignition switch to OFF, then ON (Engine off). Verify the related PENDING CODE or stored DTCs. Is the DTC P2177 or P2187 also present?	Yes	Go to applicable DTC troubleshooting. (See DTC TABLE .)
3		No	Go to the next step.
4	IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA Is DTC P2195 on FREEZE FRAME DATA?	Yes	Go to the next step.
4		No	Go to FREEZE FRAME DATA DTC inspection. (See DTC TABLE .)
5	VERIFY CURRENT INPUT SIGNAL STATUS Connect the WDS or equivalent to the DLC-2. Verify the following PIDs. (See PCM INSPECTION .) ECT MAF TP VSS Are the PIDs normal?	Yes	Go to the next step.
5		No	Inspect the malfunctioning part according to the inspection results. Then go to Step 13.
6	VERIFY CURRENT INPUT SIGNAL STATUS UNDER FREEZE FRAME DATA CONDITION Connect the WDS or equivalent to the DLC-2. Verify the following PIDs under FREEZE FRAME DATA condition. (See PCM INSPECTION .) ECT MAF TP VSS Are the PIDs normal?	Yes	Go to the next step.
6		No	Inspect the malfunctioning part according to the inspection results. Then go to Step 13.
7	INSPECT INTAKE-AIR SYSTEM FOR EXCESSIVE AIR SUCTION Visually inspect for loosen, cracks or damages hose in intake-air system. Is there any malfunction?	Yes	Repair or replace the malfunctioning part, then go to Step 13.
7		No	Go to the next step.
8	VERIFY CURRENT INPUT SIGNAL STATUS OF MAF SENSOR Connect the WDS or equivalent to the DLC-2. Start the engine. Access the MAF PID. Verify that the MAF PID changes quickly according to engine speed. Is the PID normal?	Yes	Go to the next step.
8		No	Replace MAF/IAT sensor, then go to Step 13.
9	INSPECT FRONT HO2S Inspect front HO2S. (See HEATED OXYGEN SENSOR (HO2S) INSPECTION .) Is there any malfunction?	Yes	Replace front HO2S, then go to Step 13. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [BP] .) (See EXHAUST SYSTEM REMOVAL/INSTALLATION [BP WITH TC] .)
9		No	Go to the next step.
10	INSPECT FUEL INJECTOR Inspect fuel injector. (See FUEL INJECTOR INSPECTION .) Is there any malfunction?	Yes	Replace suspected fuel injector, then go to Step 13. (See FUEL INJECTOR REMOVAL/INSTALLATION .)
10		No	Go to the next step.
11	INSPECT FUEL LINE PRESSURE Perform the "FUEL LINE PRESSURE INSPECTION" (See FUEL LINE PRESSURE INSPECTION .) Is there any malfunction?	Yes	Go to the next step.
11		No	Go to Step 13.
12	INSPECT FUEL SYSTEM FOR FUEL LEAKAGE Visually inspect fuel leakage in the fuel system. Is there fuel leakage?	Yes	Repair or replace the malfunctioning part, then go to the next step.
12		No	Replace the fuel pump, then go to the next step. (See FUEL PUMP (FP) REMOVAL/INSTALLATION .)
13	VERIFY TROUBLESHOOTING OF DTC P2195 COMPLETED Make sure to reconnect all disconnected connectors. Clear the DTC from the PCM memory using the WDS or equivalent. Perform DRIVE MODE 1 and 3. (See OBD-II DRIVE MODE .) Is the PENDING CODE same DTC present?	Yes	Replace PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION .)
13		No	Go to the next step.
14	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE ". (See AFTER REPAIR PROCEDURE .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE .)
14		No	Troubleshooting completed.