Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

NO ENGINE BRAKING IN 1GR POSITION OF M RANGE DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	Do the following symptoms concurrently occur? Engine flares up or slips during acceleration. Engine flares up or slips when shifting.	Yes	Go to symptom troubleshooting NO.16 ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING or NO.17 ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE .
1		No	Repeat the basic inspection and repair or replace any malfunctioning parts according to the inspection result. (See BASIC INSPECTION .)
2	Verify the test results. If normal, return to the diagnostic index to service any additional symptoms. If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. (See TCM REMOVAL/INSTALLATION .)