DESCRIPTION
When the engine switch is pushed with the key in the cabin, the power management control ECU receives signals to switch the power source mode.
WIRING DIAGRAM
Refer to "Power Source Mode does not Change to on (IG and ACC)" (See page
).
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT NO. 1 INTEGRATION RELAY (IG2 RELAY) |
NG | ![]() |
REPLACE NO. 1 INTEGRATION RELAY |
|
4. |
INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY (IG1 NO. 1, IG1 NO. 2 AND IG1 NO. 3 RELAYS) |
NG | ![]() |
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
|
5. |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BODY GROUND) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
7. |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - NO. 1 INTEGRATION RELAY) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
8. |
CHECK HARNESS AND CONNECTOR (NO. 1 INTEGRATION RELAY - BODY GROUND) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
9. |
CHECK POWER MANAGEMENT CONTROL ECU |
NG | ![]() |
REPLACE POWER MANAGEMENT CONTROL ECU |
|
10. |
CONFIRM TEST |
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
NG | ![]() |
CHECK RELAY CONTACT SIDE CIRCUIT |
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 1 COOLER THERMISTOR
NOTICE:
If reusing the evaporator, do not insert the thermistor into a location where
the thermistor was previously inserted.
(a) Insert the thermistor to a location that is 1 fin to the right or ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main body ECU (Multiplex network body ECU)
Combination meter assembly
Front door courtesy light switch LH signa ...