Nissan Silvia. Instruction — part 35

SAT014K

SAT824H

SELF-DIAGNOSIS CODE CONFIRMATION PROCEDURE

NMAT0247S05

After the repair, perform the following procedure to confirm the
malfunction is eliminated.

WITH CONSULT-II

NMAT0247S06

1)

Start engine.

2)

Select “SELF-DIAG RESULTS” mode for “A/T” with CON-
SULT-II.

3)

With brake pedal depressed, shift the lever from “P”

,

“N”

,

“D”

,

“N”

,

“P” positions.

WITHOUT CONSULT-II

NMAT0247S07

1)

Start engine.

2)

With brake pedal depressed, shift the lever from “P”

,

“N”

,

“D”

,

“N”

,

“P” positions.

3)

Perform self-diagnosis.
Refer

to

SELF-DIAGNOSTIC

PROCEDURE

(Without

CONSULT-II), AT-37.

GI

MA

EM

LC

EC

FE

CL

MT

PD

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

TROUBLE DIAGNOSIS FOR LINE PRESSURE S/V

Description (Cont’d)

AT-137

Wiring Diagram — AT — LPSV

NMAT0248

TAT264

TROUBLE DIAGNOSIS FOR LINE PRESSURE S/V

Wiring Diagram — AT — LPSV

AT-138

Diagnostic Procedure

NMAT0249

1

CHECK GROUND CIRCUIT

1. Turn ignition switch to “OFF” position.
2. Disconnect solenoid valve harness connector (terminal cord assembly) E25 connector in engine compartment.
3. Check resistance between solenoid valve harness connector (terminal cord assembly) E25 terminal No. 4 (R) and

ground.

SAT806JA

Is resistance approx. 2.5 - 5

Ω

?

Yes

©

GO TO 2.

No

©

1. Remove control valve assembly.

Refer to AT-205.

2. Check the following items:

I

Line pressure solenoid valve
Refer to “Component Inspection”, AT-140.

I

Harness of terminal cord assembly for short or open

2

CHECK POWER SOURCE CIRCUIT

1. Turn ignition switch to “OFF” position.
2. Disconnect TCM harness connector.
3. Check resistance between solenoid valve harness connector E25 terminal No. 4 (OR/B) and TCM harness connector

M25 terminal No. 2 (P).

SAT807JA

Is resistance approx. 11.2 - 12.8

Ω

?

Yes

©

GO TO 3.

No

©

Check the following items:

I

Dropping resistor
Refer to “Component Inspection”, AT-140.

I

Harness for short or open between TCM terminal 2 and terminal cord assembly (Main
harness)

GI

MA

EM

LC

EC

FE

CL

MT

PD

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

TROUBLE DIAGNOSIS FOR LINE PRESSURE S/V

Diagnostic Procedure

AT-139

3

CHECK POWER SOURCE CIRCUIT

1. Turn ignition switch to “OFF” position.
2. Check resistance between solenoid valve harness connector (terminal cord assembly) E25 terminal No. 4 (R) and TCM

harness connector M25 terminal No. 1 (OR/B).

SAT808JA

Is resistance approx. 0

Ω

?

Yes

©

GO TO 4.

No

©

Repair or replace harness between TCM terminal 1 and terminal cord assembly.

4

CHECK DTC

Perform Self-diagnosis Code confirmation procedure, AT-137.

OK or NG

OK

©

INSPECTION END

NG

©

1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-

nector.

SAT657IA

Component Inspection

NMAT0250

LINE PRESSURE SOLENOID VALVE

NMAT0250S01

I

For removal, refer to AT-205.

Resistance Check

NMAT0250S0101

I

Check resistance.

Terminal

Connector

Terminal No. (Wire color)

Resistance

(Approx.)

Ω

E403

6 (R)

Ground

2.5 - 5

TROUBLE DIAGNOSIS FOR LINE PRESSURE S/V

Diagnostic Procedure (Cont’d)

AT-140