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2008 - MX-5 - Transmission/Transaxle

ROAD TEST [SJ6A-EL]

WARNING:

NOTE:

Road Test Preparation

1. Inspect the engine coolant level. (See ENGINE COOLANT LEVEL INSPECTION [LF].)
2. Inspect the engine oil level. (See ENGINE OIL LEVEL INSPECTION [LF].)
3. Inspect the ATF level. (See AUTOMATIC TRANSMISSION FLUID (ATF) LEVEL ADJUSTMENT [SJ6A-EL].)
4. Inspect the idle speed. (See ENGINE TUNE-UP[LF].)
5. Inspect the ignition timing. (See ENGINE TUNE-UP[LF].)
6. Wait until the engine and transmission reach normal operating temperature.

Shift Diagram

D range (normal mode)

D Range Test

1. Perform road test preparation. (See Road Test Preparation.)
2. Shift the selector lever to the D range.
3. Accelerate with the throttle half and then wide open.
4. Verify that 1→2, 2→3, 3→4, 4→5, and 5→6 upshifts can be obtained. The shift points must be as shown in the table below.
5. Drive the vehicle in 6GR, 5GR, 4GR, 3GR, 2GR and verify that kickdown occurs for 6→5, 5→4, 4→3, 3→2, and 2→1 downshifts, and that the shift points are as shown in the table below.
6. Decelerate the vehicle and verify that engine braking effect is felt in 4GR, 5GR, and 6GR.
7. Drive the vehicle and verify that TCC operation is obtained. The operation points must be as shown in the table below.
Shift point table

Range

Mode

Throttle condition

Shift

Vehicle speed

(km/h {mph})

Turbine speed

(rpm)

D

NORMAL

Wide open throttle

D1→D2

42—48 {27—29}

5,450—6,150

D2→D3

79—87 {49—53}

5,950—6,500

D3→D4

117—127 {73—78}

6,000—6,450

D4→D5

165—175 {103—108}

6,050—6,350

TCC ON (D5)

195—205 {121—127}

5,100—5,300

D5→D6

229—239 {142—148}

4,850—5,050

TCC ON (D6)

227—237 {141—146}

4,850—5,000

Half throttle

D1→D2

27—34 {17—21}

3,400—4,450

D2→D3

48—64 {30—39}

3,600—4,800

D3→D4

71—96 {45—59}

3,650—4,900

D4→D5

118—129 {74—79}

4,300—4,650

TCC ON (D5)

149—176 {93—109}

3,850—4,550

D5→D6

206—222 {128—137}

5,350—5,750

TCC ON (D6)

204—220 {127—136}

4,350—4,650

Closed throttle position

D6→D5

52—58 {33—35}

1,150—1,200

D5→D4

35—41 {22—25}

950—1,050

D4→D3

22—28 {14—17}

850—1,000

D3→D2

12—18 {8—11}

650—900

D2→D1

4—10 {3—6}

300—700

Kickdown

D6→D5

224—234 {139—145}

4,750—4,950

D5→D4

159—169 {99—104}

4,150—4,350

D4→D3

105—115 {66—71}

3,850—4,150

D3→D2

63—71 {40—44}

3,250—3,600

D2→D1

27—33 {17—20}

2,050—2,450

POWER

Wide open throttle

D1→D2

42—48 {27—29}

5,450—6,150

D2→D3

79—87 {49—53}

5,950—6,500

D3→D4

117—127 {73—78}

6,000—6,450

D4→D5

165—175 {103—108}

6,050—6,350

D5→D6

229—239 {142—148}

5,950—6,150

Half throttle

D1→D2

30—38 {19—23}

3,900—4,850

D2→D3

50—66 {31—40}

3,750—4,900

D3→D4

77—100 {48—62}

3,900—5,150

D4→D5

126—138 {79—85}

4,600—5,000

D5→D6

206—222 {128—137}

5,350—5,750

Closed throttle position

D6→D5

82—88 {51—54}

1,750—1,850

D5→D4

57—63 {36—39}

1,500—1,600

D4→D3

27—33 {17—20}

1,000—1,200

D3→D2

12—18 {8—11}

650—900

D2→D1

4—10 {3—6}

300—700

Kickdown

D6→D5

224—234 {139—145}

4,750—4,950

D5→D4

159—169 {99—104}

4,150—4,350

D4→D3

105—115 {66—71}

3,850—4,150

D3→D2

63—71 {40—44}

3,250—3,600

D2→D1

27—33 {17—20}

2,050—2,450


M Range Test

1. Perform road test preparation. (See Road Test Preparation.)
2. Shift the selector lever to M range.
3. Verify that 1→2, 2→3, 3→4, 4→5, and 5→6 upshifts and 6→5, 5→4, 4→3, 3→2, and 2→1 downshifts are obtained by manual shifting.
4. Decelerate the vehicle and verify that 6→5, 5→4, 4→3, 3→2, and 2→1 downshifts are obtained. The shift points must be as shown in the table below.
5. Decelerate the vehicle and verify that engine braking effect is felt in 1GR, 2GR, 3GR, 4GR, 5GR, and 6GR.
6. Drive the vehicle and verify that TCC operation is obtained in 5GR and 6GR. The operation points must be as shown in the table below.
7. Drive the vehicle in 6GR, 5GR, 4GR, and 3GR and verify that kickdown occurs for 6→5, 5→4, 4→3 and 3→2 downshifts, and that the shift points are as shown in the table below.
Vehicle speed at shift point table

Range

Mode

Throttle condition

Shift

Vehicle speed

km/h {mph}

Turbine speed

(rpm)

M

Normal

Half throttle

TCC ON (D5)

150—177 {93—109}

3,900—4,600

TCC ON (D6)

204—220 {127—136}

4,350—4,650

All round

D6→D5

44—50 {28—31}

950—1,050

D5→D4

35—41 {22—25}

950—1,050

D4→D3

17—23 {11—14}

650—800

D3→D2

12—18 {8—11}

650—900

D2→D1

9—15 {6—9}

700—1,100

Kickdown

D6→D5

185—195 {115—120}

3,950—4,100

D5→D4

120—130 {75—80}

3,150—3,350

D4→D3

73—83 {46—51}

2,700—3,000

D3→D2

46—54 {29—33}

2,400—2,750


P Position Test

1. Shift into the P position on a gentle slope. Release the brake, and verify that the vehicle does not roll.


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