Component Inspection

B1957 Rear Height Motor or Sensor Error

Inspection/Repair - Component Inspection

Component Inspection

Check IMS
1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF"
3. Substitute with a known-good IMS and Check if the DTC is erased
4. Is the DTC erased?
YES
1) Substitute with a known-good IMS and check for proper operation.
If the problem is corrected, replace IMS and then go to "Verification of Vehicle Repair" procedure.
NO
1) Go to "Check power seat slide motor" procedure.
Check power seat Slide Motor
1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF"
3. Select 'ACTUATION TEST' mode on scantool and press [F1] to start




4. Dose power seat slide motor work properly?
YES
1) Go to "Check power seat slide sensor" procedure.
NO
1) Substitute with a known-good power seat slide motor and check for proper operation. If the problem is corrected, replace power seat slide motor and then go to "Verification of Vehicle Repair" procedure.
Check power seat Slide Sensor
1. Connect scantool to Data Link Connector (DLC).
2. Ignition "ON" & engine "OFF"
3. Measure waveform between terminal "10" of IMS and chassis ground. While operating power seat slide switch.
A. Specification : Refer the specifications in fig 2 (6 pulses or more in 1 sec)








4. Is the measured voltage within specifications in fig 5)?
YES
1) Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
1) Substitute with a known-good power seat slide sensor and check for proper operation. If the problem is corrected, replace power seat slide sensor and then go to "Verification of Vehicle Repair" procedure.