Nissan 200SX S13 silhouetteS13

TROUBLE DIAGNOSES — Self-diagnosis (Cont'd) OVERRUN CLUTCH SOLENOID CIRCUIT CHECK

AT-40flowchart

A/T (Automatic Transmission) specific procedure. Overrun clutch solenoid circuit diagnosis.

Continued from AT-39

Self-diagnosis (Cont'd) OVERRUN CLUTCH SOLENOID CIRCUIT CHECK

OVERRUN CLUTCH SOLENOID CIRCUIT CHECK

1
A CHECK GROUND CIRCUIT. 1. [Ignition OFF symbol] 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal 21 and ground. Resistance: 20 - 30Ω
N.G.
N.G.: 1. Remove control valve assembly. — Refer to "ON-VEHICLE SERVICE".
N.G.: 1. Remove control valve assembly. — Refer to "ON-VEHICLE SERVICE". 2. Check the following items. ● Overrun clutch solenoid. — Refer to "Electrical Components Inspection". ● Harness continuity of terminal cord assembly
O.K.
2
B CHECK POWER SOURCE CIRCUIT. 1. [Ignition OFF symbol] 2. Disconnect A/T control unit 16-pin connector. 3. Check resistance between terminal 21 and A/T control unit terminal 21. Resistance: Approximately 0Ω 4. Reinstall any part removed.
N.G.
N.G.: Repair or replace harness between A/T control unit and terminal cord assembly. (Main harness)
O.K.
3
Perform self-diagnosis after driving for a while.
N.G.
N.G.: 1. Perform A/T control unit input/output signal inspection.
N.G.: 1. Perform A/T control unit input/output signal inspection. 2. If N.G., recheck A/T control unit pin terminals for damage or connection of A/T control unit harness connector.
O.K.
INSPECTION END
Resistance between terminal 21 and ground (Ground circuit check)Terminal cord assembly connector disconnected in engine compartment
20 - 30Ω
Resistance between terminal 21 and A/T control unit terminal 21 (Power source circuit check)A/T control unit 16-pin connector disconnected
Approximately 0Ω
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See also

ON-VEHICLE SERVICE · Electrical Components Inspection

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