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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA19884RUNNER SR5, 3.0 V, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMCOMPUTER CONTROL SYSTEMCOMPONENT TESTINGTURBOCHARGING PRESSURE SENSORPOWER OUTPUT
1988 Toyota 4Runner SR5, 3.0 V, Automatic
Power Output
1988 Toyota 4Runner SR5, 3.0 V, AutomaticSECTION Power Output
- Turn ignition on. Disconnect turbocharging pressure sensor vacuum hose from intake manifold. Connect voltmeter to terminals "PIM" and "E2" (pressure sensor) of ECU connector and measure output voltage under ambient atmospheric pressure.
- Attach a vacuum pump to turbocharging pressure sensor vacuum hose and apply vacuum in specified stages. See Fig 1. Measure and record voltage readings for each stage of applied vacuum. See VACUUM/VOLTAGE SPECIFICATIONS table. Replace sensor if readings are not within specifications.
VACUUM/VOLTAGE SPECIFICATIONS
| Applied Vacuum In. Hg | Volts |
|---|---|
| 3.94 | .15-.35 |
| 7.87 | .4-.35 |
| 11.81 | .65-.85 |
| 15.75 | .9-1.1 |
| 19.69 | 1.15-11.35 |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.