Mazda 2002 6 - Road Test

AUTOMATIC TRANSAXLE
K–9
K
ROAD TEST
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Warning
• When performing a road test, be aware of other vehicles, people, impediments, etc. to avoid an
accident.
Note
• When the legal speed limit must be exceeded, use a chassis dynamomenter instead of performing a road
test.
Road Test Preparation
1. Inspect the engine coolant levels. (See E–3 ENGINE COOLANT LEVEL INSPECTION.)
2. Inspect the engine oil levels. (See D–4 ENGINE OIL INSPECTION.)
3. Inspect the ATF levels. (See K–12 AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION.)
4. Inspect the idle speed and ignition timing in P position. (See F–8 IDLE SPEED INSPECTION.)(See F–8
IGNITION TIMING INSPECTION.)
5. Bring up the engine and transaxle to normal operating temperature.
Shift Diagram
D range (normal mode)
D Range Test
1. Perform road test preparation. (See K–9 Road Test Preparation.)
2. Shift the selector lever to D range.
3. Accelerate the vehicle with half and WOT, then verify that 1→2, 2→3, and 3→4 upshifts can be obtained. The
shift points must be as shown in the table below.
• If not as specified, inspect the PCM and ATX. (See K–113 SYMPTOM TROUBLESHOOTING ITEM
TABLE.)
4. Drive the vehicle in 4GR, 3GR, and 2GR and verify that kickdown occurs for 4→3, 3→2, 2→1 downshifts, and
that the shift points are as shown in the table below.
• If not as specified, inspect the PCM and ATX.(See K–113 SYMPTOM TROUBLESHOOTING ITEM
TABLE.)
5. Decelerate the vehicle and verify that engine braking effect is felt in 2GR, 3GR, and 4GR.
• If not as specified, inspect the PCM and ATX. (See K–113 SYMPTOM TROUBLESHOOTING ITEM
TABLE.)
6. Drive the vehicle and verify that TCC operation is obtained. The operation points must be as shown in the table
below.
• If not as specified, inspect the PCM and ATX. (See K–113 SYMPTOM TROUBLESHOOTING ITEM
TABLE.)
7. Select HOLD mode.
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