With Manual Transaxle (MTX)

When problems occur in PCME monitored input or output devices, check for the cause with SST's (Mazda Special Service Tools 49 H018 9A1 and 49 B019 9A0). Technician may also use equivalent aftermarket "Scan" tool. Using the SST's, input and output device failures are retrieved from PCME memory as diagnostic trouble code numbers. If there are multiple trouble codes, the lowest number code is displayed first, followed by subsequent codes in numerical order.

NOTE: The PCME continuously checks for input device malfunctions. However, it only checks for output device malfunctions in a 3 second period after the ignition switch is turned "ON," or TEN terminal of data link is connector grounded.

INSPECTION PROCEDURE

SST Connection:

1. Warm engine to operating temperature and turn ignition "OFF."
2. Connect System Selector (SST 49 B019 9A0) to data link connector. Set system select to position "1" and test switch to "SELF TEST."
3. Connect Self-Diagnosis Checker (SST 49 H018 9A1) to System Selector. Set select switch to position "A" and turn ignition "ON."
4. Check that "88" flashes on digital display and buzzer sounds for 3 seconds after turning ignition switch "ON."
5. If "88" does not flash, inspect main relay, power supply circuit, and data link connector wiring.
6. If "88" flashes and buzzer sounds continuously for more than 20 seconds, check for short circuit between PCME terminal 1F and data link connector. Replace PCME if necessary and repeat previous steps.
8. Check diagnostic trouble code numbers.

NOTE: When repairs are completed, cancel trouble code numbers by performing the after-repair procedure.


AFTER-REPAIR PROCEDURE (CLEARING PCME MEMORY)

1. Disconnect negative battery cable and depress brake pedal for at least 20 seconds. Reconnect battery cable.
2. Connect SST's and verify no trouble codes are displayed.