Circuit Resistance Charts
CIRCUIT RESISTANCE ID CHART (PFI)
| Terminals | Circuits | Resistance | Condition |
|---|---|---|---|
| A5-A10 | Main & fuel pump relay | 124-153 | " |
| A7-Body Ground | VSS | Ohmeter indi-cator deflectbetween 0 & infinity | Rear left tire turned slowly with rear right tire locked |
| A15-A12 | EGR VSV | 30-38 ohm | " |
| A17-Body Ground | Diag. switch terminal | infinity | " |
| A18-B15 | Idle switch | continuity | Throttle valve is at idle position |
| " | " | infinity | Throttle valve opens larger than idle position |
| A22-Body Ground (A/T only) | Shift Switch | continuity | Selector lever in "P" or "N" range |
| " | " | infinity | Selector in "R", "D", "2" or "L" |
| B1-Body B2 Ground | Ground | continuity | " |
| B7-B15 | TPS | 0.3-2.0 kohm | Throttle valve at idle position |
| " | " | 2.0-6.5 kohm | Throttle valve at full open position |
| B9-B15 | ECTS | 0.29-0.35 kohm | Engine cooling watertemp. 80°C (176°F) |
| B11-A12 | Fuel injector 1 | 12-17 ohm | " |
| B12-A12 | ISC solenoid valve | 11-14 ohm | " |
| B13-A12 | Fuel injector 3 | 12-17 ohm | " |
| B14-Body Gnd | Ground | continuity | " |
| B17-B15 | Recirculated Exhaust Gas temp. sensor (if equipped) | 214-313.8 kohm | Sensor ambient temperature 20°C (68°F) |
| B23-A12 | Oxygen Sensor heater relay | 90-110 kohm | " |
| B24-A12 | Fuel injector 2 | 12-17 ohm | " |
| B25-A12 | Canister purge solenoid valve | 28-36 ohm | " |
| B26-A12 | Fuel injector 4 | 12-17 ohm | " |
CIRCUIT RESISTANCE ID CHART (TBI)
| 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 ohm | Throttle valve at idle w/ PS coupler disconnected |
| " | " | 2.0-6.5 k ohm | 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 | " |