1997 Suzuki Swift AutomaticFACTORY OEM SERVICE PROCEDURE

Sensor Operating Range Charts

CAMSHAFT POSITION (CMP) SENSOR RESISTANCE (1)

Application Temperature °F (°C) Ohms
Swift 14-122 (-10-50) 185-275
" 122-212 (50-100) 240-325
(1) Measured at sensor while disconnected with ignition off.
CRANKSHAFT POSITION (CKP) SENSOR RESISTANCE

Application Ohms @ 68°F (20°C)
Swift 360-460
ENGINE COOLANT TEMPERATURE (ECT) SENSOR RESISTANCE

Temperature °F (°C) Ohms
32 (0) 5740
68 (20) 2280-2610
104 (40) 1150
140 (60) 584
176 (80) 303-326
INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE

Temperature °F (°C) Ohms
32 (0) 5880
68 (20) 2210-2690
104 (40) 1140
140 (60) 580
176 (80) 290-350
CAUTION: Damage to MAP sensor will occur if connections are made incorrectly.
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR OUTPUT VOLTAGE (OFF-VEHICLE)

Altitude (Feet) Vacuum (In. Hg) (1)(2) Volts
0-2000 28-30 3.1-3.6
2001-5000 25-28 2.8-3.4
5001-8000 22-25 2.6-3.1
8001-10,000 20-22 2.4-2.9
(1) MAP sensor output voltage is tested with three 1.5-volt batteries connected in series (output 4.5-5.0 volts). Positive lead of batteries is connected to "Vin" terminal. Negative lead of batteries is connected to "Ground" terminal. Check output voltage between "Vout" and "Ground" terminals.
(2) Voltage should reduce when up to 15 in. Hg of vacuum is applied to MAP sensor.
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR OUTPUT (ON-VEHICLE) (1)

Vacuum (In. Hg) Scan Tool Display (kPa)
0 100
8 73
20 33
(1) With scan tool installed, ignition on, and specified vacuum applied to MAP sensor.
CAUTION: Blowing compressed air through mass airflow sensor will damage it.
THROTTLE POSITION (TP) SENSOR RESISTANCE

Application Ohms
Between Terminals No. 1 & 3 100-20,000
Between Terminals No. 1 & 4 2870-5330
VEHICLE SPEED SENSOR (VSS) RESISTANCE

Application Ohms
Swift (1) *
(1) With ohmmeter connected to vehicle speed sensor terminals, ohmmeter should alternate between zero and infinity 4 times per sensor shaft revolution.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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