Throttle Position Sensor: Adjustments
THROTTLE POSITION SENSOR ADJUSTMENTRequired Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: USB Cable
- MB991911: Main Harness B
- MB991348: Test Harness Set
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting the scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector. When not using scan tool follow the steps below.
1. Disconnect the throttle position sensor connector, and connect the special tool MB991348 in between. (All terminals should be connected.)
2. Connect a digital voltmeter between throttle position sensor terminal No. 2 (sensor output) and terminal No. 4 (sensor ground).
2. Turn the ignition switch to the "ON" position (but do not start the engine).
3. Check the throttle position sensor output voltage.
Standard value: 535 - 735 mV
4. If not within the standard value range, adjust by loosening throttle position sensor mounting bolts and turning the throttle position sensor body. After adjusting, tighten the bolts securely.
5. Turn the ignition switch to the "LOCK" (OFF) position.
6. Disconnect scan tool MB991958. When the scan tool is not used, remove special tool MB991348, and connect the throttle position sensor connector.