DESCRIPTION
The No. 3 combination switch assembly (luggage door opening switch) signal is sent to the main body ECU (multiplex network body ECU). If the luggage compartment door opener system does not operate with the No. 3 combination switch assembly (luggage door opening switch) operation, there may be a malfunction in the circuit of the No. 3 combination switch assembly (luggage door opening switch).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
PROCEDURE
READ VALUE USING GTS
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Trunk/BDoor Open SW | No. 3 combination switch assembly (luggage door opening switch) signal | OFF or ON | OFF: No. 3 combination switch assembly (luggage door opening switch) off ON: No. 3 combination switch assembly (luggage door opening switch) on |
- |
| Tester Display |
|---|
| Trunk/BDoor Open SW |
| OK |
|---|
| The No. 3 combination switch assembly (luggage door opening switch) functions as specified in the normal condition column. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
INSPECT NO. 3 COMBINATION SWITCH ASSEMBLY (LUGGAGE DOOR OPENING SWITCH)
Remove the No. 3 combination switch assembly (luggage door opening switch).
Inspect the No. 3 combination switch assembly (luggage door opening switch).
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE NO. 3 COMBINATION SWITCH ASSEMBLY (LUGGAGE DOOR OPENING SWITCH) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (NO. 3 COMBINATION SWITCH ASSEMBLY [LUGGAGE DOOR OPENING SWITCH] - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)
Disconnect the P63 No. 3 combination switch assembly (luggage door opening switch) connector.
Disconnect the P9 main body ECU (multiplex network body ECU) connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |