S13 Service ManualS13

Torque Specs Tools Parts Diagrams

TROUBLE DIAGNOSES — Symptom Chart (Cont'd)

AT-73spec tableUnverified

Continued from AT-72

Symptom Chart (Cont'd)

NOTE

Numbers are arranged in order of probability. Perform inspections starting with number one and working up. Circled numbers indicate that the transmission must be removed from the vehicle.

Automatic transmission symptom × component cross-reference (AT) — page 2

Reference page (AT-)	Symptom	Priority numbers per component column [?] — not pixel-confirmed
—	Too sharp a shock in change from "D₂" to "D₃".	[?]
—	Almost no shock or clutches slipping in change from "D₂" to "D₃".	[?]
—	Almost no shock or slipping in change from "D₃" to "D₄".	[?]
—	Almost no shock or slipping in change from "D₃" to "D₄" (alt).	[?]
—	Vehicle braked by gear change from "D₁" to "D₂".	[?]
—	Vehicle braked by gear change from "D₂" to "D₃".	[?]
—	Vehicle braked by gear change from "D₃" to "D₄".	[?]
—	Maximum speed not attained. Acceleration poor.	[?]
—	Failure to change gear from "D₄" to "D₃".	[?]
—	Failure to change gear from "D₃" to "D₂".	[?]
—	Failure to change gear from "D₂" to "D₁".	[?]
—	Gear change shock felt during deceleration by releasing accelerator pedal.	[?]
—	Too high a change point from "D₃" to "D₂", "D₂" to "D₁".	[?]
—	Kickdown does not operate when depressing pedal in "D₃" within kickdown vehicle speed.	[?]
—	Kickdown operates or engine overruns when depressing pedal in "D₂" beyond kickdown vehicle speed limit.	[?]
—	Races extremely fast or slips in changing from "D₁" to "D₂" when depressing pedal.	[?]
—	Races extremely fast or slips in changing from "D₂" to "D₃" when depressing pedal.	[?]
—	Races extremely fast or slips in changing from "D₃" to "D₄" when depressing pedal.	[?]
—	Races extremely fast or slips in changing from "D" to "1₂" when depressing pedal. [?]	[?]
—	Vehicle will not run in any range.	[?]
—	Transmission noise in "D", "2", "1" and "R" ranges.	[?]

—

SymptomToo sharp a shock in change from "D₂" to "D₃".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomAlmost no shock or clutches slipping in change from "D₂" to "D₃".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomAlmost no shock or slipping in change from "D₃" to "D₄".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomAlmost no shock or slipping in change from "D₃" to "D₄" (alt).

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomVehicle braked by gear change from "D₁" to "D₂".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomVehicle braked by gear change from "D₂" to "D₃".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomVehicle braked by gear change from "D₃" to "D₄".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomMaximum speed not attained. Acceleration poor.

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomFailure to change gear from "D₄" to "D₃".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomFailure to change gear from "D₃" to "D₂".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomFailure to change gear from "D₂" to "D₁".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomGear change shock felt during deceleration by releasing accelerator pedal.

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomToo high a change point from "D₃" to "D₂", "D₂" to "D₁".

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomKickdown does not operate when depressing pedal in "D₃" within kickdown vehicle speed.

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomKickdown operates or engine overruns when depressing pedal in "D₂" beyond kickdown vehicle speed limit.

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomRaces extremely fast or slips in changing from "D₁" to "D₂" when depressing pedal.

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomRaces extremely fast or slips in changing from "D₂" to "D₃" when depressing pedal.

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomRaces extremely fast or slips in changing from "D₃" to "D₄" when depressing pedal.

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomRaces extremely fast or slips in changing from "D" to "1₂" when depressing pedal. [?]

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomVehicle will not run in any range.

Priority numbers per component column [?] — not pixel-confirmed[?]

—

SymptomTransmission noise in "D", "2", "1" and "R" ranges.

Priority numbers per component column [?] — not pixel-confirmed[?]

Each symptom row lists priority numbers (1 = check first, n = check last) per component column. Plain numbers = on-vehicle inspection; circled numbers = transmission must be removed. Columns mirror AT-72 with the OFF-vehicle ref-page set updated.

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See also

AT-80 · AT-91 · AT-110 · AT-114 · AT-116 · AT-120 · AT-124 · AT-127 · AT-134