TERMINALS OF ECU
1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK
(a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block (See page ).
(b) Disconnect the 1D driver side junction block connector.
(c) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
MB-11 (GND1) - Body ground |
None - Body ground |
Ground |
Always |
Below 1 Ω |
MB-31 (BECU) - Body ground |
None - Body ground |
Battery power supply |
Always |
11 to 14 V |
MB-30 (ACC) - Body ground |
None - Body ground |
ACC power supply |
Ignition switch ON(ACC) |
11 to 14 V |
MB-32 (IG) - Body ground |
None - Body ground |
Ignition switch power supply |
Ignition switch ON(IG) |
11 to 14 V |
1D-31 (KSW) - Body ground |
G - Body ground |
Unlock warning switch input |
No Key in ignition key cylinder (off) |
10 kΩ or higher |
Key inserted ignition key cylinder (on) |
Below 1 Ω |
(d) Install the main body ECU (multiplex network body ECU) to the driver side junction block (See page ).
(e) Reconnect the 1D driver side junction block connector.
(f) Measure the voltage and check for pulse according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
M6-6 (FLCY) - Body ground |
Y - Body ground |
Front door LH courtesy light switch input |
Front door LH open |
Below 1 V |
Front door LH closed |
Pulse generation |
|||
1D-31 (KSW) - Body ground |
G - Body ground |
Unlock warning switch input |
No Key in ignition key cylinder (off) |
11 to 14 V |
Key inserted ignition key cylinder (on) |
Below 1 V |
Status Signal Circuit
DESCRIPTION
This circuit sends a smart key system status signal from the certification ECU
(smart key ECU assembly) to the mobile wireless charger cradle assembly. Based on
this signal, the mobile wireless charger cradle assembly suspends or resumes wireless
charging.
WIRING DIAGRAM
CAUTI ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Hydraulic Brake Booster
*B
for Vacuum Brake Booster
*C
for Automatic Transmission
*D
for Manual Transmission
*1
SKID CONTROL ECU (BRAKE ACT ...
Occupant Classification ECU Malfunction (B1795)
DESCRIPTION
DTC B1795 is set when a malfunction is detected in the occupant detection ECU.
Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present.
DTC No.
DTC Detections Conditions
Trouble Areas
B1795
Occupant detection ...