TROUBLESHOOTING
STEP
INSPECTION
RESULTS
ACTION
12
Turn ignition switch off.
Measure resistance between GND circuit at
following sensor connectors and GND:
• TP sensor
• ECT sensor
• IAT sensor
• H02S
Is each resistance less than 5.0 £2?
Yes
GND circuits are okay.
Inspect constant voltage at TP sensor connector
again.
No
Inspect for open GND circuit.
N O .28 SPARK P LUG CONDITION
28
Spark plug condition
DESCRIPTION
•
Incorrect spark plug condition
POSSIBLE
CAUSE
Note
•
Inspecting spark plugs condition can determine whether problem is related to a specific cylinder or
to all cylinders.
Wet/carbon is stuck on specific plug:
•
Spark
—
Weak, not visible
•
Air/fuel mixture
—
Excessive fuel injection volume
•
Compression
—
No compression, low compression
• Faulty spark plug
Grayish white with specific plug:
•
Air/fuel mixture
—
Insufficient fuel injection volume
•
Faulty spark plug
Wet/carbon stuck on all plugs:
•
Spark
—
Weak
•
Air/fuel mixture
—
Too rich
•
Compression
—
Low compression
•
Clogging in intake/exhaust system
Grayish white with all plugs:
•
Air/fuel mixture
—
Too lean
Warning
• The following troubleshooting flow chart contains the fuel system diagnosis and repair
procedures. Read the following warnings before performing the fuel system services:
— Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always
keep sparks and flames away from fuel.
— Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or
death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete
“BEFORE REPAIR PROCEDURE” and “AFTER REPAIR PROCEDURE”. (See Section F)
Caution
• Disconnecting/connecting quick release connector without cleaning It may possibly cause
damage to fuel pipe and quick release connector. Always clean quick release connector
joint area before disconnecting/connecting, and make sure that It Is free of foreign
material.
Diagnostic Procedure
STEP
INSPECTION
ACTION
1
• Remove all spark plugs.
• Inspect spark plug condition.
• Is spark plug condition okay?
Yes
Troubleshooting completed.
No
Specific plug Is wet or covered with carbon:
• Go to next step.
Specific plug looks grayish white:
• Go to Step 7.
All plugs are wet or covered with carbon:
• Go to Step 9.
All plugs look grayish white:
• Go to Step 15.
2
• Is spark plug wet/covered with carbon
by engine oil?
Yes
Working up and down, inspect all areas related to oil.
No
Go to next step.
3
• Inspect spark plug for following.
— Cracked insulator
— Heat range
— A ir gap
— W orn electrode
• Is spark plug okay?
Yes
Go to next step.
No
Replace spark plug.
F1-144
Содержание 626 Station Wagon
Страница 25: ...CONTROL SYSTEM WIRING DIAGRAM With Immobilizer System OUTLINE F1 4 ...
Страница 179: ...OUTLINE SYSTEM WIRING DIAGRAM S m ç g fT I C g 3 3 21 A m Hi p È a t ï S 3 M h d 0H ÜB 1 Hl J e F2 3 ...
Страница 183: ...CONTROL SYSTEM COMPONENT LOCATION F2 7 ...
Страница 204: ...MANUAL TRANSAXLE FEATURES OUTLINE J 2 OUTLINE OF CONSTRUCTION J 2 SPECIFICATIONS J 2 D J 1 ...
Страница 206: ...AUTOMATIC TRANSAXLE GF4A EL FEATURES OUTLINE K1 2 OUTLINE OF CONSTRUCTION K 1 2 SPECIFICATION K1 2 K1 1 ...
Страница 266: ...SHIFT MECHANISM 6 Apply grease to the cam as shown K2 59 ...
Страница 418: ...TROUBLESHOOTING KEYLESS ENTRY SYSTEM ON BOARD DIAGNOSTIC FUNCTION S 37 ...
Страница 454: ...WARNING AND INDICATOR SYSTEM O p e ra tin g O rd e r T 32 ...