DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The power back door ECU (power back door motor unit)*1 or back door closer ECU (multiplex network door ECU)*2 controls the vehicle's back door closer system functions. Back door closer system data and Diagnostic Trouble Code (DTC) can be read through the vehicle's Data Link Connector 3 (DLC3).
When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
2. CHECK DLC3
(a) Check the DLC3 (See page
).
3. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Terminals Of Ecu
Dtc Check / ClearCenter Airbag Sensor Assembly Communication Circuit Malfunction (B1790)
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the occupant
classification ECU and center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center airbag sensor
assembly communication cir ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT OIL PUMP AND GEAR BODY SUB-ASSEMBLY
(a) Turn the drive gear with 2 screwdrivers and make sure that it rotates
smoothly.
NOTICE:
Be careful not to damage the oil seal lip.
...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE SEAT ADJUSTER COVER CAP
(a) Remove the seat adjuster cover cap.
HINT:
Use the same procedure for the RH side and LH side.
2. REMOVE RECLINING POWER SEAT SWITCH ...