TROUBLE DIAGNOSES — Preliminary Check (Cont'd)
AT-20flowchartApplies to A/T (automatic transmission) vehicles only.
Preliminary Check (Cont'd)
Preliminary Check (Cont'd) — Cruise Test Part 1 continuation
1
A (connector from previous page)
2
Does A/T shift from D1 to D2 at the specified speed? Specified speed when shifting from D1 to D2: Refer to Shift schedule.
No
Go to Diagnostic Procedure 9.
Yes
3
Does A/T shift from D2 to D3 at the specified speed? Specified speed when shifting from D2 to D3: Refer to Shift schedule.
No
Go to Diagnostic Procedure 10.
Yes
4
Does A/T shift from D3 to D4 at the specified speed? Specified speed when shifting from D3 to D4: Refer to Shift schedule.
No
Go to Diagnostic Procedure 11.
Yes
5
Does A/T perform lock-up at the specified speed? Specified speed when lock-up occurs: Refer to Shift schedule.
No
Go to Diagnostic Procedure 12.
Yes
6
Does A/T hold lock-up condition for more than 30 seconds?
No
Go to Diagnostic Procedure 13.
Yes
7
10 Release accelerator pedal.
8
11 Is lock-up released when accelerator pedal is released?
No
Go to Diagnostic Procedure 14.
Yes
9
12 Decelerate vehicle by applying foot brake lightly.
10
13 Does engine speed return to idle smoothly when A/T is shifted from D4 to D3?
No
Go to Diagnostic Procedure 15.
Yes
11
Stop vehicle.
Go to "Cruise test — Part 2".
See also
Diagnostic Procedure 9 · Diagnostic Procedure 10 · Diagnostic Procedure 11 · Diagnostic Procedure 12 · Diagnostic Procedure 13 · Diagnostic Procedure 14 · Diagnostic Procedure 15 · Shift schedule · Cruise test — Part 2