Infiniti M35/M45 Y50. Manual - part 34

AT-199, "Vehicle Cannot Be Started from D

Starts from D1?

YES

>> GO TO 2.

>> Enter a check mark at

on the

AT-63, "Vehicle Speed at Which Gear Shifting Occurs"

, then continue the road test.

CHECK SHIFT-UP D1

→

Press down the accelerator pedal about half-way and inspect if the vehicle shifts up (D1

→

D2) at the appro-

priate speed. Refer to

With CONSULT-II

Read the gear position, throttle degree of opening and vehicle speed. Refer to

AT-201, "A/T Does Not Shift: D

Does the A/T shift-up D1

→

D2 at the correct speed?

YES

>> GO TO 3.

>> Enter a check mark at

on the

AT-63, "Vehicle Speed at Which Gear Shifting Occurs"

, then continue the road test.

CHECK SHIFT-UP D2

→

Press down the accelerator pedal about half-way and inspect if the vehicle shifts up (D2

→

D3) at the appro-

priate speed. Refer to

With CONSULT-II

Read the gear position, throttle degree of opening and vehicle speed. Refer to

AT-203, "A/T Does Not Shift: D

Does the A/T shift-up D2

→

D3 at the correct speed?

YES

>> GO TO 4.

>> Enter a check mark at

on the

AT-63, "Vehicle Speed at Which Gear Shifting Occurs"

, then continue the road test.

CHECK SHIFT-UP D3

→

Press down the accelerator pedal about half-way and inspect if the vehicle shifts up (D3

→

D4) at the appro-

priate speed. Refer to

With CONSULT-II

Read the gear position, throttle degree of opening and vehicle speed. Refer to

AT-205, "A/T Does Not Shift: D

Does the A/T shift-up D3

→

D4 at the correct speed?

YES

>> GO TO 5.

>> Enter a check mark at

on the

AT-63, "Vehicle Speed at Which Gear Shifting Occurs"

, then continue the road test.

AT-60

TROUBLE DIAGNOSIS

CHECK SHIFT-UP D4

→

Press down the accelerator pedal about half-way and inspect if the vehicle shifts up (D4

→

D5) at the appro-

priate speed. Refer to

With CONSULT-II

Read the gear position, throttle degree of opening and vehicle speed. Refer to

AT-207, "A/T Does Not Shift: D

Does the A/T shift-up D4

→

D5 at the correct speed?

YES

>> GO TO 6.

>> Enter a check mark at

on the

AT-63, "Vehicle Speed at Which Gear Shifting Occurs"

, then continue the road test.

CHECK LOCK-UP

When releasing accelerator pedal (closed throttle position signal: OFF) from D5, check lock-up from D5 to L/U.
Refer to

With CONSULT-II

Select “TCC SOLENOID” with the “MAIN SIGNAL” mode for “A/T”. Refer to

AT-90, "CONSULT-II REFER-

ENCE VALUE"

Does it lock-up?

YES

>> GO TO 7.

>> Enter a check mark at

AT-209, "A/T Does Not Lock-up"

on the

AT-48, "DIAGNOSTIC WORK-

SHEET"

, then continue the road test.

CHECK LOCK-UP HOLD

Check hold lock-up.

With CONSULT-II

Select “TCC SOLENOID” with the “MAIN SIGNAL” mode for “A/T”. Refer to

AT-90, "CONSULT-II REFER-

ENCE VALUE"

Does it maintain lock-up status?

YES

>> GO TO 8.

>> Enter a check mark at

AT-210, "A/T Does Not Hold Lock-up Condition"

on the

AT-48, "DIAGNOS-

TIC WORKSHEET"

, then continue the road test.

CHECK LOCK-UP RELEASE

Check lock-up cancellation by depressing brake pedal lightly to decelerate.

With CONSULT-II

Select “TCC SOLENOID” with the “MAIN SIGNAL” mode for A/T. Refer to

AT-90, "CONSULT-II REFERENCE

VALUE"

Does lock-up cancel?

YES

>> GO TO 9.

>> Enter a check mark at

AT-212, "Lock-up Is Not Released"

on the

AT-48, "DIAGNOSTIC WORK-

SHEET"

, then continue the road test.

CHECK SHIFT-DOWN D5

→

Decelerate by pressing lightly on the brake pedal.

With CONSULT-II

Read the gear position and engine speed. Refer to

AT-61, "Cruise Test - Part 2"

When the A/T shift-down D5

→

D4, does the engine speed drop smoothly back to idle?

YES

>> 1. Stop the vehicle.

2. Go to

>> Enter a check mark at

AT-212, "Engine Speed Does Not Return to Idle"

on the

AT-48, "DIAG-

NOSTIC WORKSHEET"

, then continue the road test. Go to

AT-61, "Cruise Test - Part 2"

TROUBLE DIAGNOSIS

AT-61

Cruise Test - Part 2

NCS001KB

CHECK STARTING FROM D1

Move selector lever to “D” position.

Accelerate at half throttle.

With CONSULT-II

Read the gear position. Refer to

AT-199, "Vehicle Cannot Be Started from D

Does it start from D1?

YES

>> GO TO 2.

>> Enter a check mark at

on the

AT-63, "Vehicle Speed at Which Gear Shifting Occurs"

, then continue the road test.

CHECK SHIFT-UP D1

→

Press the accelerator pedal down all the way and inspect whether or not the A/T shifts up (D1

→

D2) at the

correct speed. Refer to

With CONSULT-II

Read the gear position, throttle position and vehicle speed. Refer to

AT-201, "A/T Does Not Shift: D

Does the A/T shift-up D1

→

D2 at the correct speed?

YES

>> GO TO 3.

>> Enter a check mark at

on the

AT-63, "Vehicle Speed at Which Gear Shifting Occurs"

, then continue the road test.

CHECK SHIFT-UP D2

→

Press the accelerator pedal down all the way and inspect whether or not the A/T shifts up (D2

→

D3) at the

correct speed. Refer to

With CONSULT-II

Read the gear position, throttle position and vehicle speed. Refer to

AT-203, "A/T Does Not Shift: D

Does the A/T shift-up D2

→

D3 at the correct speed?

YES

>> GO TO 4.

>> Enter a check mark at

on the

, then continue the road test.

CHECK SHIFT-UP D3

→

D4 AND ENGINE BRAKE

When the A/T changes speed D3

→

D4, return the accelerator pedal.

With CONSULT-II

Read the gear position. Refer to

AT-61, "Cruise Test - Part 3"

Does the A/T shift-up D3

→

D4 and apply the engine brake?

YES

>> 1. Stop the vehicle.

2. Go to

>> Enter a check mark at

AT-205, "A/T Does Not Shift: D

on the

AT-61, "Cruise Test - Part 3"

, then continue the road test. Go to

Cruise Test - Part 3

NCS001KC

MANUAL MODE FUNCTION

Move to manual mode from “D” position.

Does it switch to manual mode?

YES

>> GO TO 2.

>> Continue road test and add check mark to

AT-213, "Cannot Be Changed to Manual Mode"

AT-

48, "DIAGNOSTIC WORKSHEET"

AT-62

TROUBLE DIAGNOSIS

CHECK SHIFT-DOWN

During manual mode driving, is downshift from M5

→

M1 performed?

With CONSULT-II

Read the gear position. Refer to