1. Connect the M-MDS or equivalent to the DLC-2 if you are inspecting sensors or switches.
2. Turn the ignition switch to the ON position (Engine off).
3. Access PIDs for sensor or switch if you are inspecting sensors or switches.
4. If you are inspecting the switch, turn it on manually.
5. Spray water onto the vehicle or run it through a car wash.
If PID value is unstable or malfunction occurs, repair or replace part if necessary.
Fig. 11: Identifying Water Sprinkling Method
Courtesy of MAZDA MOTORS CORP.
ENGINE CONTROL SYSTEM OPERATION INSPECTION [LF]
INPUT SIGNAL SYSTEM INSPECTION PROCEDURE
1. Find an irregular signal. (See
FINDING IRREGULAR SIGNALS
.)
2. Locate source. (See
LOCATING THE SOURCE OF UNUSUAL SIGNALS
.)
3. Repair or replace the malfunctioning part.
4. Confirm that the irregular signal is no longer detected.
NOTE:
If the engine starts and runs, perform the following steps at idle.
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
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