DESCRIPTION
The main body ECU (multiplex network body ECU) detects the condition of each door unlock detection switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
PROCEDURE
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Main Body / Data List.
Read the display on the GTS.
Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
---|---|---|---|
FR Door Lock Pos | Front door RH unlock detection switch signal/LOCK or UNLOCK | LOCK: Front door RH locked UNLOCK: Front door RH unlocked |
- |
FL Door Lock Pos | Front door LH unlock detection switch signal/LOCK or UNLOCK | LOCK: Front door LH locked UNLOCK: Front door LH unlocked |
- |
RR-Door Lock Pos SW | Rear door RH unlock detection switch signal/ON or OFF | ON: Rear door LH locked and rear door RH unlocked ON: Rear door LH unlocked and rear door RH locked ON: Rear door LH and rear door RH unlocked OFF: Rear door LH and rear door RH locked |
- |
RL-Door Lock Pos SW | Rear door LH unlock detection switch/ON or OFF | ON: Rear door LH locked and rear door RH unlocked ON: Rear door LH unlocked and rear door RH locked ON: Rear door LH and rear door RH unlocked OFF: Rear door LH and rear door RH locked |
- |
Result | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
|
B |
INSPECT FRONT DOOR LOCK ASSEMBLY LH Click here |
C |
INSPECT FRONT DOOR LOCK ASSEMBLY RH Click here |
D |
INSPECT REAR DOOR LOCK ASSEMBLY LH Click here |
A |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here
INSPECT FRONT DOOR LOCK ASSEMBLY LH
Remove the front door lock assembly LH Click here.
Inspect the front door lock assembly LH Click here.
OK |
---|
Front door lock assembly LH is normal. |
NG |
REPLACE FRONT DOOR LOCK ASSEMBLY LH Click here |
OK |
CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
Disconnect the M1 front door lock assembly LH connector.
Disconnect the H10 main body ECU (multiplex network body ECU) connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
INSPECT FRONT DOOR LOCK ASSEMBLY RH
Remove the front door lock assembly RH Click here.
Inspect the front door lock assembly RH Click here.
OK |
---|
Front door lock assembly RH is normal. |
NG |
REPLACE FRONT DOOR LOCK ASSEMBLY RH Click here |
OK |
CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY RH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
Disconnect the L1 front door lock assembly RH connector.
Disconnect the H10 main body ECU (multiplex network body ECU) connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
INSPECT REAR DOOR LOCK ASSEMBLY LH
Remove the rear door lock assembly LH Click here.
Inspect the rear door lock assembly LH Click here.
OK |
---|
Rear door lock assembly LH is normal. |
NG |
REPLACE REAR DOOR LOCK ASSEMBLY LH Click here |
OK |
CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY LH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)
Disconnect the O1 rear door lock assembly LH connector.
Disconnect the 3C instrument panel junction block assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
INSPECT REAR DOOR LOCK ASSEMBLY RH
Remove the rear door lock assembly RH Click here.
Inspect the rear door lock assembly RH Click here.
OK |
---|
Rear door lock assembly RH is normal. |
NG |
REPLACE REAR DOOR LOCK ASSEMBLY RH Click here |
OK |
CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY RH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)
Disconnect the N1 rear door lock assembly RH connector.
Disconnect the 3A instrument panel junction block assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
Remove the instrument panel junction block assembly Click here.
Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Measure the resistance according to the value(s) in the table below.
*a | Component without harness connected (Instrument Panel Junction Block Assembly) |
- | - |
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
NG |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here |
OK |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here