INSPECTION

G-SENSOR CHECK

1.Disconnect the G-sensor connector and connect special tool test harness set (MB991348), between terminals of the disconnected connector.
2.With the ignition switch turned to the "ON" position, read the voltage between terminals number 1 and 2.
Standard value: 2.4 - 2.6 V

3.With special tool test harness set (MB991348) connected, rotate so that the arrow mark straight down. Read output voltage between terminals number 1 and 2.
Standard value: 3.55 - 3.95 V

4.When the measured values in step 2 and step 3 are not within the standard value, measure the voltage between terminal No. 3 and terminal No. 1.
Standard value: 4.75 - 5.25 V

note

When there is an open or short circuit in the G-sensor circuit, the power supply to the G-sensor is stopped in approximately 2 seconds after the ignition switch is turned on.

5.If the measured values in step 2 and step 3 are out of the standard value and the measured value in step 4 is within the standard value, replace the G-sensor.
6.When all the measured values in steps 2, 3 and 4 are out of the standard value, check the wiring harness and repair if necessary. When the wiring harness is normal, the ABS-ECU may be defective.