DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Restraints Occupant Classification System Module Communication Stop Mode |
Any of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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DTC check procedure: Turn the ignition switch to ON and wait at least approximately 8 seconds.
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HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (OCCUPANT DETECTION ECU BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the occupant detection ECU connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
Y6-5 (CANH) - Y6-4 (CANL) |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (OCCUPANT DETECTION ECU) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
Y6-6 (IG2) - Body ground |
Ignition switch ON |
11 to 14 V |
OK | ![]() |
REPLACE OCCUPANT DETECTION ECU |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Toyota CH-R Service Manual > Lin Communication System: Rear Door LH ECU Communication Stop (B2324)
DESCRIPTION
This DTC is stored when LIN communication between the power window regulator
motor assembly (for rear LH door) and main body ECU (multiplex network body ECU)
stops for 10 seconds or more.
DTC No.
Detection Item
DTC Detection Condition
Tro ...
Toyota CH-R Service Manual > Lighting System: Door Unlock Detection Switch Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) detects the condition of each
door unlock detection switch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration*1.
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*1: w/ Smart ...