DESCRIPTION
The vehicle approaching speaker controller receives engine oil pressure switch signals from the engine oil pressure switch assembly and P position switch signals from the main body ECU (multiplex network body ECU), and produces the warning sound from the vehicle approaching speaker assembly.
WIRING DIAGRAM
PROCEDURE
READ VALUE USING GTS (Oil Pressure SW)
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Vehicle Proximity Notification System / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Oil Pressure SW | Oil pressure switch condition / OFF or ON | OFF: Engine started ON: Engine not started |
- |
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK ENGINE OIL PRESSURE SWITCH ASSEMBLY Click here |
| A |
|
READ VALUE USING GTS (Shift Position)
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Vehicle Proximity Notification System / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Shift Position | P position switch / Not Parking or Parking | Not Parking: Shift lever is not in P Parking: Shift lever is in P |
- |
| Result | ||||||
|---|---|---|---|---|---|---|
|
| A |
|
REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER Click here |
| B |
|
CHECK VEHICLE APPROACHING SPEAKER CONTROLLER
| *a | Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) |
Disconnect the H10 main body ECU (multiplex network body ECU) connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - VEHICLE APPROACHING SPEAKER CONTROLLER) Click here |
| OK |
|
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
| *a | Component with harness connected (Main Body ECU (Multiplex Network Body ECU)) |
Reconnect the H10 main body ECU (multiplex network body ECU) connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER Click here |
| NG |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - VEHICLE APPROACHING SPEAKER CONTROLLER)
Disconnect the H216 vehicle approaching speaker controller connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
CHECK ENGINE OIL PRESSURE SWITCH ASSEMBLY
| *a | Front view of wire harness connector (to Vehicle Approaching Speaker Controller) |
Disconnect the H216 vehicle approaching speaker controller connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - ENGINE OIL PRESSURE SWITCH ASSEMBLY)
Disconnect the D59 engine oil pressure switch assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY
Remove the engine oil pressure switch assembly.
Inspect the engine oil pressure switch assembly.
| Result | |||
|---|---|---|---|
|
| OK |
|
USE SIMULATION METHOD TO CHECK Click here |
| NG |
|
REPLACE ENGINE OIL PRESSURE SWITCH ASSEMBLY Click here |