PRECAUTION
PRECAUTIONS WHEN USING Techstream
(a) When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select vehicle tyoe under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
(b) After all DTCs are cleared, check if the malfunction occurs again 6 seconds after the engine switch is turned on (IG).
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Top-mounted
Air Conditioner Pressure Sensor): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the air conditioning system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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Toyota CH-R Service Manual > Occupant Classification System: Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
DESCRIPTION
The front occupant classification sensor LH circuit consists of the occupant
detection ECU and front in weight detection sensor sub-assembly.
DTC B1780 is stored when a malfunction is detected in the front in weight detection
sensor sub-assembly circuit.
DTC No.
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