DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is displayed during the DTC check, check the circuit listed for the code in the table below (proceed to the page listed for that circuit).
HINT:
When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, perform troubleshooting for the occupant classification system as shown in the chart below.
Occupant Classification System
DTC Code |
Detection Item |
Trouble Area |
Passenger Airbag ON/OFF Indicator (OFF indicator) |
See page |
---|---|---|---|---|
B1771 |
Passenger Side Buckle Switch Circuit Malfunction |
1. Front seat inner belt assembly RH (Passenger side buckle switch) 2. Occupant classification ECU 3. Front seat wire RH (for Power seat) 3. No. 2 floor wire (for Manual seat) |
ON |
|
B1780 |
Front Occupant Classification Sensor LH Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Front occupant classification sensor LH) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
B1781 |
Front Occupant Classification Sensor RH Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Front occupant classification sensor RH) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
B1782 |
Rear Occupant Classification Sensor LH Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Rear occupant classification sensor LH) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
B1783 |
Rear Occupant Classification Sensor RH Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Rear occupant classification sensor RH) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
B1785 |
Front Occupant Classification Sensor LH Collision Detection |
1. Front seat frame with adjuster assembly RH (Front occupant classification sensor LH) 2. Occupant classification ECU |
ON |
|
B1786 |
Front Occupant Classification Sensor RH Collision Detection |
1. Front seat frame with adjuster assembly RH (Front occupant classification sensor RH) 2. Occupant classification ECU |
ON |
|
B1787 |
Rear Occupant Classification Sensor LH Collision Detection |
1. Front seat frame with adjuster assembly RH (Rear occupant classification sensor LH) 2. Occupant classification ECU |
ON |
|
B1788 |
Rear Occupant Classification Sensor RH Collision Detection |
1. Front seat frame with adjuster assembly RH (Rear occupant classification sensor RH) 2. Occupant classification ECU |
ON |
|
B1790 |
Center Airbag Sensor Assembly Communication Circuit Malfunction |
1. Occupant classification ECU 2. Center airbag sensor assembly 3. Front seat wire RH (for Power seat) 4. No. 2 floor wire 5. Junction connector |
ON |
|
B1793 |
Occupant Classification Sensor Power Supply Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Occupant classification sensors) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
B1794 |
Open in Occupant Classification ECU Battery Positive Line |
1. Battery 2. ECU-B fuse 3. Wire harness 4. Occupant classification ECU |
ON |
|
B1795 |
Occupant Classification ECU Malfunction |
Occupant classification ECU |
ON |
|
B1796 |
Sleep Operation Failure of Occupant Classification ECU |
Occupant classification ECU |
ON |
|
Precaution
PRECAUTION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Procedure
Back Door Closer System
...
Customize Parameters
CUSTOMIZE PARAMETERS
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Be sure to make a note of the current settings before customiz ...
Brake Switch "B" Circuit High (P0724)
DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling when the brakes
are suddenly applied while driving in the lock-up condition.
When the brake pedal is depressed, this switch sends a signal to the TCM. Then
the TCM cancels the ...