DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
ECM Communication Stop Mode |
Either condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (ECM - BATTERY AND BODY GROUND) |
(a) Disconnect the B38, B39 and F51 ECM connectors.
*a |
Front view of wire harness connector (to ECM) |
- |
- |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B38-12 (E1) - Body ground |
Always |
Below 1 Ω |
B39-10 (ME01) - Body ground |
Always |
Below 1 Ω |
B39-14 (E01) - Body ground |
Always |
Below 1 Ω |
B39-15 (E02) - Body ground |
Always |
Below 1 Ω |
F51-12 (EC) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F51-24 (BATT) - Body ground |
Always |
11 to 14 V |
F51-23 (+B2) - Body ground |
Battery positive (+) voltage applied to terminal F51-9 (MREL) |
11 to 14 V |
F51-22 (+B) - Body ground |
Battery positive (+) voltage applied to terminal F51-9 (MREL) |
11 to 14 V |
OK | ![]() |
REPLACE ECM |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Rear Occupant Classification Sensor LH Collision Detection (B1787)
DESCRIPTION
DTC B1787 is stored when the occupant classification ECU receives a collision
detection signal, which is sent by the rear occupant classification sensor LH when
an accident occurs.
DTC B1787 is also stored when the separate type front seat cu ...
Installing child restraints
Follow the child restraint system manufacturer’s instructions. Firmly
secure the child restraints using the LATCH anchors or a seat belt.
Attach the top tether strap when installing a child restraint.
The lap/shoulder belt can be used if your child restr ...