Diagnostic Procedure

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE OIL WARNING LIGHT ILLUMINATED/MESSAGE RELATED TO ENGINE HYDRAULIC PRESSURE MALFUNCTION INDICATED IN DISPLAY (SKYACTIV-G) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	INSPECT ENGINE OIL LEVEL Inspect the engine oil level. (See ENGINE OIL LEVEL INSPECTION [SKYACTIV-G (VIN M (US))] .) (See ENGINE OIL LEVEL INSPECTION [SKYACTIV-G (VIN L (US))] .) Is there any malfunction?	Yes	Inspect for engine oil leakage. Repair or replace the malfunctioning location. Add genuine motor oil and perform the repair completion verification. (See ENGINE OIL REPLACEMENT [SKYACTIV-G (VIN M (US))] .) (See ENGINE OIL REPLACEMENT [SKYACTIV-G (VIN L (US))] .)
1		No	Go to the next step.
2	LUBRICATE ENGINE OIL INSIDE ENGINE Start the engine. Increase and keep the engine speed at 2, 500 rpm for 5 s. Does the engine oil warning light illuminate?	Yes	Go to the next step.
2		No	Go to repair completion verification.
3	VERIFY PCM DTC Perform the DTC inspection for the PCM. (See DTC INSPECTION .) Are any DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-G (US))] .)
3		No	Go to the next step.
4	VERIFY BODY CONTROL MODULE (BCM) DTC Perform the DTC inspection for the body control module (BCM). (See DTC INSPECTION .) Are any DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [BODY CONTROL MODULE (BCM) (US)] .)
4		No	Go to the next step.
5	INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION Inspect the applicable part. (See INSTRUMENT CLUSTER INSPECTION [(US)] .) Is the part normal?	Yes	Go to the next step.
5		No	Repair or replace the malfunctioning location and perform the repair completion verification. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
6	INSPECT BODY CONTROL MODULE (BCM) FOR MALFUNCTION Inspect the applicable part. (See BODY CONTROL MODULE (BCM) INSPECTION [(US)] .) Is the part normal?	Yes	Go to the next step.
6		No	Repair or replace the malfunctioning location and perform the repair completion verification. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION [(US)] .)
Repair completion verification 1	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)
Repair completion verification 1		No	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)] .) If the CAN communication is normal, perform the diagnosis from Step 1. If the malfunction recurs, go to the next step.
Repair completion verification 2	VERIFY IF MALFUNCTION IS CAUSED BY NOT PERFORMING PCM REPROGRAMMING Verify repair information and verify that there is a new calibration in the PCM. Is there a new calibration in the PCM?	Yes	Perform the PCM reprogramming and verify if the malfunction symptom was corrected. If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-G (VIN M (US))] .) (See PCM REMOVAL/INSTALLATION [SKYACTIV-G (VIN L (US))] .)
Repair completion verification 2		No	Replace the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-G (VIN M (US))] .) (See PCM REMOVAL/INSTALLATION [SKYACTIV-G (VIN L (US))] .)