Nissan 200SX S13 silhouetteS13

TROUBLE DIAGNOSES — Self-diagnosis (Cont'd) INHIBITOR, OVERDRIVE, KICKDOWN AND IDLE SWITCH CIRCUIT CHECKS

AT-45flowchart

A/T (Automatic Transmission) only. Connector E117. Inhibitor switch terminals checked: 1, 2, 19, 20, 26. Overdrive switch terminal checked: 9. Wire colors: G, G/B, BR, BR/W (inhibitor circuit); G/R (overdrive circuit).

Continued from AT-44

Self-diagnosis (Cont'd) INHIBITOR, OVERDRIVE, KICKDOWN AND IDLE SWITCH CIRCUIT CHECKS

Inhibitor, Overdrive, Kickdown and Idle Switch Circuit Checks

Rendering diagram…
Legend:Start / EndActionDecisionTerminalReference

CHECK INHIBITOR SWITCH CIRCUIT

  1. 1
    [Connect inhibitor switch connector as shown in figure]
    Photo of inhibitor switch connector with ON label, used in step 1 of Check Inhibitor Switch Circuit
  2. 2
    Check voltage between A/T control unit terminals (1), (2), (19), (20), (26) and ground while moving selector lever through each range.
    Voltage: B: Battery voltage, 0: 0V
    Section A diagram showing selector lever positions (P, R, N, D, 2, 1), A/T control unit terminal E117 connector with terminal numbering (1,2,19,20,26), wire colors G, G/B, BR, BR/W, and voltmeter connection for inhibitor switch circuit check
    SAT783B

Inhibitor Switch Voltage Table

P, N
Terminal No. 19B
Terminal No. 260
Terminal No. 200
Terminal No. 10
Terminal No. 20
R
Terminal No. 190
Terminal No. 26B
Terminal No. 200
Terminal No. 10
Terminal No. 20
D
Terminal No. 190
Terminal No. 260
Terminal No. 20B
Terminal No. 10
Terminal No. 20
2
Terminal No. 190
Terminal No. 260
Terminal No. 200
Terminal No. 1B
Terminal No. 20
1
Terminal No. 190
Terminal No. 260
Terminal No. 200
Terminal No. 10
Terminal No. 2B

CHECK OVERDRIVE SWITCH CIRCUIT

  1. 1
    [Connect overdrive switch connector as shown in figure]
    Photo of overdrive switch connector with ON label, used in step 1 of Check Overdrive Switch Circuit
  2. 2
    Check voltage between A/T control unit terminal (9) and ground when overdrive switch is in "ON" position and in "OFF" position.
    Section B diagram showing overdrive switch ON/OFF position, A/T control unit terminal E117 connector with terminal 9, wire color G/R, and voltmeter connection for overdrive switch circuit check
    SAT784B

Overdrive Switch Voltage Table

ON
VoltageBattery voltage
OFF
Voltage1V or less
Inhibitor switch circuit — Battery voltage symbolApplicable lever position
BBattery voltage
Inhibitor switch circuit — 0V symbolNon-applicable lever position
00V
Overdrive switch ONOverdrive switch ON
Battery voltageV
Overdrive switch OFFOverdrive switch OFF
1 or lessV
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See also

Electrical Components Inspection

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