DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Main Body ECU Communication Stop Mode |
Either condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
NOTICE:
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DTC check procedure: Turn the ignition switch to ON and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.
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HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the main body ECU (multiplex network body ECU) connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M6-14 (CANH) - M6-13 (CANL) |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
*a |
Front view of wire harness connector (to Main Body ECU (Multiplex Network Body ECU)) |
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Remove the main body ECU (multiplex network body ECU). Click here |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
MB-11 (GND1) - Body ground |
Cable disconnected from negative (-) battery terminal |
Below 1 Ω |
(c) Connect the cable to the negative (-) battery terminal.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
MB-30 (ACC) - Body ground |
Ignition switch ACC |
11 to 14 V |
MB-31 (BECU) - Body ground |
Always |
11 to 14 V |
MB-32 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
*1 |
Driver Side Junction Block |
Result |
Proceed to |
---|---|
OK |
A |
NG (for BECU circuit) |
B |
NG (for ACC circuit) |
C |
NG (for IG circuit) |
D |
NG (for GND1 circuit) |
E |
A | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
C | ![]() |
GO TO LIGHTING SYSTEM (ACC SIGNAL CIRCUIT) |
D | ![]() |
GO TO LIGHTING SYSTEM (IG SIGNAL CIRCUIT) |
E | ![]() |
GO TO STEP 4 |
|
3. |
CHECK HARNESS AND CONNECTOR (BECU CIRCUIT) |
(a) Disconnect the driver side junction block connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1F-15 - Body ground |
Always |
11 to 14 V |
*a |
Front view of wire harness connector (to Driver Side Junction Block) |
OK | ![]() |
REPLACE DRIVER SIDE JUNCTION BLOCK |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (BECU CIRCUIT) |
4. |
CHECK HARNESS AND CONNECTOR (GND1 CIRCUIT) |
(a) Disconnect the driver side junction block connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1D-5 - Body ground |
Always |
Below 1 Ω |
*a |
Front view of wire harness connector (to Driver Side Junction Block) |
OK | ![]() |
REPLACE DRIVER SIDE JUNCTION BLOCK |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GND1 CIRCUIT) |
Additional Storage Features
Cargo Cover
Warning:
An unsecured cargo cover could
strike people in a sudden stop or
turn, or in a crash. Store the
cargo cover securely or remove it
from the vehicle.
Warning:
Do not place objects on the cargo
cover. Sudden stops or turns can
cause objects to be thrown in the
vehicle. You or other ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT AIR CONDITIONING CONTROL ASSEMBLY
(a) Check the blower switch resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Component without harness connected
...
Power windows*
The power windows can be opened/closed using the following switches.
Driver’s power window switches
Closing
Opening
One-touch opening (driver’s window
only)*
*: To stop the window partway, operate the switch in the opposite direction.
Front and rear passenger’s power
window swi ...