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) |
Navigation Receiver
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT CLUSTER CENTER FINISH PANEL SUB-ASSEMBLY
(See page )
2. REMOVE NAVIGATION RECEIVER ASSEMBLY WITH BRACKET
(a) Remove the 4 bolts.
(b ...
Interior Light Circuit
DESCRIPTION
The illuminated entry system controls the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
If the main body ECU (multiplex network body ECU) i ...
Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1268
Transfer L4 Position Switch Circuit
Either of the following is detected:
The skid control ECU (brake actuator assembly) dete ...