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 performing the Self Diagnostic Result procedure.

Diagnosis Procedure
1. PERFORM SELF DIAGNOSTIC
U1010 Control unit (CAN)Removal and installation
HORN
Removal and Installation
REMOVAL
Remove the engine under cover. Refer to EXT-16, "Removal and
Installation".
Position aside the front fender protector (LH). Refer to EXT-24,
"Removal and Installation".
Disconnect the harness connectors (A) from the horns.
Remove the horn brack ...
Cooling fan
Removal and Installation
Radiator cooling fan assembly
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur
from high pressure
coolant escaping from the radiator. Wrap a thick cloth around the radiator cap.
Slowly turn it a quarter
turn to allow ...
System description
COMPRESSOR CONTROL FUNCTION
Description
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
Functional initial inspection chart
Fail-Safe
FAIL-SAFE FUNCTION ...