1992 Geo Tracker LSi, AutomaticFACTORY OEM SERVICE PROCEDURE

Sensor Operating Range Charts: Notes

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature: °F (°C) Ohms
Metro
0 (-18) 14,650
19 (-7) 8100
39 (4) 4780
70 (21) 2350
100 (38) 1250
160 (71) 400
210 (99) 190
Prizm & Prizm GSi (1)
Storm & Storm GSi
-40 (-40) 100,700
-4 (-20) 28,680
14 (-10) 16,180
32 (0) 9420
50 (10) 5670
68 (20) 3520
86 (30) 2238
104 (40) 1459
122 (50) 973
158 (70) 467
194 (90) 241
212 (100) 177
Tracker
0 (-18) 14,650
19 (-7) 8100
39 (4) 4780
70 (21) 2500
100 (38) 1250
160 (71) 400
210 (99) 190
(1) Information is not available from manufacturer.
EGR TEMPERATURE SENSOR RESISTANCE

Temperature: °F (°C) Ohms
Prizm & Prizm GSi
122 (50) 69,000-80,000
212 (100) 11,000-15,000
302 (150) 2000-4000
Storm & Storm GSi
-4 (-20) 69,000
32 (0) 28,000
68 (20) 12,100
104 (40) 5800
140 (60) 3060
176 (80) 1700
212 (100) 1000
248 (120) 620
284 (140) 400
320 (160) 270
356 (180) 190
392 (200) 135
428 (220) 100
464 (240) 74
500 (260) 58
536 (280) 45
572 (300) 36
Tracker
68 (20) 214,000-313,800
104 (40) 90,900-125,700
140 (60) 42,100-55,500
176 (80) 21,100-26,500
212 (100) 11,200-13,600
IAT SENSOR RESISTANCE

Temperature: °F (°C) Ohms
Metro
0 (-18) 14,650
19 (-7) 8100
39 (4) 4780
70 (21) 2350
100 (38) 1250
160 (71) 400
210 (99) 190
Prizm & Prizm GSi Information not available
Storm & Storm GSi
-40 (-40) 100,700
0 (-18) 25,000
19 (-7) 13,500
39 (4) 7500
70 (21) 3400
100 (38) 1800
160 (71) 450
210 (99) 185
Tracker
0 (-18) 14,800
19 (-7) 8250
39 (4) 5200
70 (21) 2500
100 (38) 1300
160 (71) 450
210 (99) 200
KNOCK SENSOR RESISTANCE

Application Ohms
Prizm GSi (1) 3300-4500
(1) Measure resistance between sensor terminal and engine block.
OXYGEN SENSOR HEATER RESISTANCE

Application Ohms
Prizm GSi & Storm GSi 3.5-14
Tracker 3-5.5
THROTTLE POSITION SENSOR (TPS) RESISTANCE

Application Condition Ohms
Metro (A/T)
Between Terminals A & B (1) Continuity
Between Terminals A & B (2) No Continuity
Between Terminals A & B (3) Continuity
Between Terminals A & D (3) 4370-8130
Between Terminals A & C (3) 240-1140
Between Terminals A & C (4) 3170-6600
Prizm GSi
Between Terminals E2 & IDL (5)(6) Continuity
Between Terminals E2 & IDL (6)(7) No Continuity
Storm & Storm GSi (8)
Tracker
Between Terminals C & D (1) 0-500
Between Terminals C & D (9) 1No Continuity
Between Terminals A & D 3500-6500
Between Terminals B & D
At Idle (10) 300-2000
At Wide Open Throttle 2000-6500
(1) With .012" (.30 mm) feeler gauge installed between stop screw and lever.
(2) With .035" (.89 mm) feeler gauge installed between stop screw and lever.
(3) Throttle valve at idle position.
(4) Throttle valve at fully open position.
(5) With .014" (.35 mm) feeler gauge installed between stop screw and lever.
(6) Terminal E2 is the top terminal (Brown wire). IDL terminal is second terminal (Blue wire) from top of TPS.
(7) With .023" (.58 mm) feeler gauge installed between stop screw and lever.
(8) Sensor is nonadjustable. Apply 5 volts to Blue/Orange wire terminal. With Black/White wire grounded, at idle, voltage should be less than 1.25 volts at Blue/Red wire and approximately 5 volts at wide open throttle.
(9) With .022" (.56 mm) feeler gauge installed between stop screw and lever.
(10) To position throttle valve at idle, apply approximately 18 in. Hg vacuum to throttle opener valve.
Fig 1: Throttle Position Sensor Terminal ID (Metro)
G90G18008Courtesy of GENERAL MOTORS CORP.
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