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Diagnosis - A/T 4-Speed: Specifications

NOTE: Values or conditions that are not specified in the following chart represent ground circuits, or signal circuits which may vary or toggle depending upon vehicle operation.
PIN VOLTAGE CHART

Terminal (Circuit) Condition Volts
Connector E25
1 (Throttle Opening Signal) Ignition On (1)
2 (Shield Ground) N/A N/A
3 (Forward Clutch Revolution Sensor -) N/A N/A
4 (VSS -) N/A N/A
5 (Blank) N/A N/A
6 (Blank) N/A N/A
7 (TR Switch In "N" Range)
.... Ignition On ("N" Range) 10-14
.... Ignition On (Any Range Other Than "N") About Zero
8 (TR Switch In "L" Range)
.... Ignition On ("L" Range) 10-14
.... Ignition On (Any Range Other Than "L") About Zero
9 (Torque Reduction Signal) Ignition ON 10-14
10 (ECT Signal - ECM) Engine Running (2)
11 (Forward Clutch Revolution Sensor +) N/A N/A
12 (VSS +) N/A N/A
13 (O/D Cut Switch)
.... Switch On (O/D OFF Lamp Illuminated) About Zero
.... Switch Off (O/D OFF Lamp Not Illuminated) 4-6
14 (Blank) N/A N/A
15 (TR Switch - "2" Range)
.... Ignition On ("2" Range) 10-14
.... Ignition On (Any Range Other Than "2") About Zero
16 (TR Switch - "D" Range)
.... Ignition On ("D" Range) 10-14
.... Ignition On (Any Range Other Than "D") About Zero
Connector E26
1 (Throttle Pressure Control Solenoid -) N/A N/A
2 (Ground Supply) N/A N/A
3 (TR Switch In "P" Range)
.... Ignition On ("P" Range) 10-14
.... Ignition On (Any Range Other Than "P") About Zero
4 (Blank) N/A N/A
5 (Blank) N/A N/A
6 (Blank) N/A N/A
7 (Blank) N/A N/A
8 (Blank) N/A N/A
9 (Brake Light Switch)
.... Brake Pedal Depressed 10-14
.... Brake Pedal Released About Zero
10 (PNP Signal - ECM)
.... Ignition On ("P" Or "N" Range) 10-14
.... Ignition On ("R", "D", "2" Or "L" Range) 0-1
11 (Throttle Pressure Control Solenoid +) N/A N/A
12 (Back-Up Power Source) Ignition On Or Off 10-14
13 (Shift Solenoid No. 1) Ignition On ("P" Range) 10-14
14 (Blank) N/A N/A
15 (Blank) N/A N/A
16 (TR Switch In "R" Range)
.... Ignition On ("R" Range) 10-14
.... Ignition On (Any Range Other Than "R") About Zero
17 (Serial Data Line To PCM) Ignition On (3)
18 (Cruise Control Unit) Ignition On 4-6
19 (OD/OFF Indicator)
.... First 2 Seconds Of Ignition On 0-1
.... After 2 Seconds Of Ignition On 10-14
20 (Blank) N/A N/A
21 (Ignition Signal) Ignition On 0-1
22 (Diagnosis Switch Terminal) Ignition On 4-6
23 (Data Link Connector) Ignition On 4-6
24 (TCC Solenoid) Ignition On About Zero
25 (Power Supply) Ignition On 10-14
26 (Shift Solenoid No. 2) Ignition On (In "P" Range) About Zero
(1) Varies with throttle position.
(2) Varies with coolant temperature.
(3) Voltage varies between 0-1 and 4-6 volts.