DESCRIPTION
The instrument panel junction block assembly (body ECU) receivers the door lock/unlock request signal from the power window regulator master switch assembly*1 or door control switch assembly*2. The instrument panel junction block assembly (body ECU) actives the door lock motor on all door according to the signal.
*1: w/ Power Window Control System
*2: w/o Power Window Control System
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK VEHICLE TYPE
Check the vehicle type.
| Result | Proceed to |
|---|---|
| w/ Power Window Control System | A |
| w/o Power Window Control System | B |
| B |
|
INSPECT DOOR CONTROL SWITCH ASSEMBLY Click here |
| A |
|
INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR CONTROL SWITCH)
Remove the power window regulator master switch assembly Click here.
Inspect the power window regulator master switch assembly Click here.
| NG |
|
REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY [BODY ECU] - POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY AND BODY GROUND)
Disconnect the 13B instrument panel junction block assembly (body ECU) connector.
Disconnect the L5*1 or K5*2 power window regulator master switch assembly connector.
*1: for LHD
*2: for RHD
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| for LHD | ||||||||||||||||||
|
||||||||||||||||||
| for RHD | ||||||||||||||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here
INSPECT DOOR CONTROL SWITCH ASSEMBLY
Remove the door control switch assembly.
Inspect the door control switch assembly Click here.
| NG |
|
REPLACE DOOR CONTROL SWITCH ASSEMBLY |
| OK |
|
CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY [BODY ECU] - DOOR CONTROL SWITCH ASSEMBLY AND BODY GROUND)
Disconnect the 13H instrument panel junction connector assembly (body ECU) connector.
Disconnect the I25 door control switch assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here