Grand Vitara 4WD L4-2.4L (2009)
If each measured voltage is out of specified voltage, repair or replace related part.
2. Check throttle motor power supply circuit as follows.
3. Check ECM ground circuit as follows.
If each measured voltage is within specified voltage, go to next step.
If each measured voltage is out of specified voltage, repair ECM ground circuits.
4. Check each sensor power supply circuit as follows.
If measured voltage is within specified voltage, ECM power and ground circuits is in good condition.
If each measured voltage is out of specified voltage, repair or replace related part.