TROUBLESHOOTING GUIDE

F-19prose procedure

No.	TROUBLESHOOTING ITEM	DESCRIPTION	PAGE
32	MIL always ON	Self-Diagnosis Checker does not indicate Malfunction Code No. but MIL comes on	F-72
33	MIL never ON	Self-Diagnosis Checker indicates Malfunction Code No. of input device but MIL never ON	F-72
34	A/C does not work	Blower fan operates but no cool air discharged	F-73

TROUBLESHOOTING ITEMMIL always ON

DESCRIPTIONSelf-Diagnosis Checker does not indicate Malfunction Code No. but MIL comes on

TROUBLESHOOTING ITEMMIL never ON

DESCRIPTIONSelf-Diagnosis Checker indicates Malfunction Code No. of input device but MIL never ON

TROUBLESHOOTING ITEMA/C does not work

DESCRIPTIONBlower fan operates but no cool air discharged

PRECAUTION

Fuel in the fuel system remains under high pressure even when the engine is not running.

a
Before disconnecting any fuel line, release the fuel pressure from the fuel system to reduce the possibility of injury or fire.
9BU0F2-076
a.1
Start the engine.
a.2
Disconnect the circuit opening relay connector.
a.3
After the engine stalls, turn off the ignition switch.
a.4
Reconnect the circuit opening relay connector.
b
Use a rag as protection from fuel spray when disconnecting the hoses. Plug the hoses after removal.
c
When inspecting the fuel system, use a suitable fuel pressure gauge.
Install hose clamps when securing the fuel pressure gauge to the fuel pipe and the fuel main hose to prevent fuel leakage.
05U0FX-235

CAUTION

Install hose clamps when securing the fuel pressure gauge to the fuel pipe and the fuel main hose to prevent fuel leakage.

When pinching an air hose or fuel hose with pliers, wrap the hose with a rag to prevent damage.

When checking ignition spark condition, hold the high-tension lead with insulated pliers.