Steering column
PrecautionRear occupant classification sensor lh circuit malfunction
Description
The rear occupant classification sensor lh circuit consists of the occupant
classification ecu and the rear
occupant classification sensor lh.
Dtc b1782 is recorded when a malfunction is detected in the rear occupant
classification sensor lh
circuit.
Wiring diagram
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How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the tire pressure
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceeding.
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Terminals of ecu
Check instrument panel junction block (main body ecu)
Disconnect the ib and ie junction block connectors.
Measure the voltage and resistance of the wire
harness side connectors.
Reconnect the ib and ie junction block connector.
Measure the voltage of the wire harness ...