Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1992 Suzuki Samurai JLFACTORY OEM SERVICE PROCEDURE
Circuit Resistance Charts
CIRCUIT RESISTANCE ID CHART
| Terminals | Circuits | Resistance | Condition |
|---|---|---|---|
| A3-Body Ground | Diagnosis Sw. Terminal | infinity | " |
| A4-Body Ground (Calif. only) | ECM Ground | 0 (zero) | " |
| A5-Body Ground(Except Calif.) | 5th Switch | infinity | Gear shift lever at any other position other than 5th Gear position |
| " | " | 0 (zero) | Gear shift lever at 5th gear position |
| A7-Body Ground | Test switch terminal | infinity | " |
| A9-Body Ground | Duty check terminal | infinity | " |
| A14-A24 | Idle Switch | 0 (zero) | Throttle valve is at idle position |
| " | " | infinity | Throttle valve opens larger than idle position |
| A15-Body Ground | VSS | Ohmmeter deflects between 0 & infinity | Rear right tire turned slowly with rear left tire locked |
| A16-A24 (Calif. only) | REGTS | 214-313.8 kohm 214-313.8 kohm | Sensor ambient temp. 20°C (68°F) |
| A17-A24 | ATS | 2.28-2.87 kohm | Sensor ambient temp. 20°C (68°F) |
| A18-A24 | WTS | .29-.35 k ohm | Engine cooling water temp. 80°C (176°F) |
| A21-A24 | TPS | 0-2 k | Throttle valve at idle w/ PS coupler disconnected |
| " | " | 2.0-6.5 k | Throttle valve at WOT w/ PS coupler disconnected |
| B5-B1 | EGR VSV | 33-39 ohm | " |
| B6-B1 | ISC solenoid valve | 30-33 ohm | " |
| B8-B17 | Fuel Injector | 0.8-1.8 ohm | " |
| B12-Body Ground | Clutch Switch | 0 (Zero) | Clutch depressed |
| " | " | infinity | Clutch released |
| B14-B1 | Throttle opener VSV | 33-39 ohm | " |
| B15-B16 | Main & Fuel pump relay | 124-153 ohm | " |
Factory Service Tools
Use the Manual With the Right Hardware
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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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