DTC Diagnosis Procedure
1.
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
Driver seat control unit
Harness connector B52
Harness connector B201
Is the inspection result normal?
.
Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
Disconnect the connector of driver seat control unit.
Check the resistance between the driver seat control unit harness connector terminals.
Driver seat control unit harness connector
Resistance (Ω)
Connector No.
Terminal No.
B213
20
19
Approx. 54 – 66
Is the measurement value within the specification?
.
Repair the driver seat control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the driver seat control unit. Refer to Diagnosis Procedure
Diagnosis Procedure
.
Is the inspection result normal?
(Present error)
Replace the driver seat control unit. Refer to
Removal and Installation
.
(Past error)
Error was detected in the driver seat control unit branch line.
Repair the power supply and the ground circuit.