AUTOMATIC AIR CONDITIONING SYSTEM
Wiring Diagram











ECU diagnosis information
Basic inspectionDTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
Refer to LAN-8, "System Description".
DTC Logic
DTC DETECTION LOGIC
NOTE:
U1000 can be set if a module harness was disconnected and reconnected, perhaps
during a repair. Confirm
that there are actual CAN diagnostic symptoms and a present DTC by p ...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
KV991J0070
(J-45695-A)
Coolant refill tool
Refilling engine cooling system
Commercial Service Too
...
Performance test
Inspection
INSPECTION PROCEDURE
Connect recovery/recycling/recharging equipment (for HFC-134a) or
manifold gauge.
Start the engine, and set to the following condition.
Test condition
Maintain test condition until A/C system becomes stable. (Approximately
10 minute ...