ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5E-97
90-823225--1 1096
Code 43: Knock Sensor (KS) Circuit (Non-Scan)
(2 of 2)
•
DISCONNECT 5 WAY KS MODULE CONNECTOR.
•
USING DVM, MEASURE RESISTANCE BETWEEN
TERMINAL “E” AND GROUND.
•
RESISTANCE SHOULD BE BETWEEN 3.3K
Ω
AND 4.5K
Ω
OHMS.
IS IT?
1
3
NO
YES
•
IGNITION “OFF.”
•
DISCONNECT ECM CONNECTOR J-2
•
IGNITION “ON.”
•
CONNECT DVOM FROM ECM HARNESS
CONNECTOR TERMINAL “C” (CKT 485) TO
GROUND.
ARE 8-10 VOLTS PRESENT?
INSPECT KNOCK SENSOR TERMINAL
CONTACTS. IF OK, REPLACE KNOCK
SENSOR.
NO
YES
FAULTY ECM.
2
CHECK FOR OPEN OR SHORT
IN CKT 496.
IF OK, REPLACE KNOCK
SENSOR.
•
RECONNECT 5 WAY KS MODULE CONNECTOR.
•
DISCONNECT KNOCK SENSOR HARNESS CONNECTOR.
•
CONNECT A TEST LIGHT TO BATTERY POSITIVE BATTERY POSITIVE (B+).
•
START ENGINE.
•
HOLD ENGINE SPEED STEADY AT 2500 RPM.
•
REPEATEDLY TOUCH TEST LIGHT TO KNOCK SENSOR HARNESS
CONNECTOR TERMINAL (CKT 496).
•
DOES A NOTICEABLE RPM DROP OCCUR OR USING TIMING LIGHT DID TIMING DROP?
NO
YES
•
DISCONNECT KS MODULE HARNESS
CONNECTOR.
•
CONNECT A TEST LIGHT TO BATTERY
POSITIVE B+.
•
TOUCH THE TEST LIGHT TO KS HARNESS
CONNECTOR TERMINAL “D” (CKT 486).
IS THE TEST LIGHT “ON”?
YES
NO
CKT 485 OPEN
OR
SHORTED TO GROUND
OR
FAULTY KS MODULE.
REPAIR OPEN
OR
GROUNDED
CKT 439.
NO
YES
•
ALLOW DVM VOLTAGE TO STABILIZE.
•
TOUCH A TEST LIGHT CONNECTED TO
B+ TO THE KNOCK SENSOR HARNESS
CONNECTOR TERMINAL (CKT 496).
DOES THE VOLTAGE VALUE CHANGE?
•
CONNECT A TEST LIGHT TO GROUND.
•
DISCONNECT KS MODULE HARNESS CONNECTOR.
•
TOUCH THE TEST LIGHT TO KS MODULE HARNESS
CONNECTOR TERMINAL “B” (CKT 439).
IS THE TEST LIGHT “ON”?
YES
NO
CKT 496 OPEN
OR
SHORTED TO GROUND
OR
FAULTY KS MODULE.
REPAIR OPEN
GROUND CKT
486.
4
5
6
Содержание 305 CID
Страница 7: ...A 1 72000 IMPORTANT INFORMATION GENERAL INFORMATION...
Страница 16: ...B 1 IMPORTANT INFORMATION MAINTENANCE...
Страница 59: ...C 1 IMPORTANT INFORMATION TROUBLESHOOTING...
Страница 92: ...A 2 72975 REMOVAL AND INSTALLATION MCM MODELS ALPHA ONE DRIVES...
Страница 103: ...B 2 70246 REMOVAL AND INSTALLATION MCM MODELS ALPHA ONE DRIVES WITH DRIVESHAFT EXTENSION...
Страница 120: ...2 72580 C REMOVAL AND INSTALLATION MCM MODELS BRAVO DRIVES...
Страница 135: ...D 2 70246 REMOVAL AND INSTALLATION MCM MODELS BRAVO DRIVES WITH DRIVESHAFT EXTENSION...
Страница 154: ...E 2 70648 REMOVAL AND INSTALLATION MIE MODELS VELVET DRIVE TRANSMISSIONS...
Страница 173: ...F 2 25280 REMOVAL AND INSTALLATION MIE MODELS HURTH TRANSMISSIONS...
Страница 189: ...A 3 72615 ENGINE 5 0L 305 CID 5 7L 350 CID...
Страница 192: ...3A 0 ENGINES 90 823225 1 1096...
Страница 266: ...ELECTRICAL SYSTEMS STARTING SYSTEM A 72079 4...
Страница 284: ...STARTING SYSTEM 4A 17 90 823225 1 1096 THIS PAGE IS INTENTIONALLY BLANK...
Страница 308: ...B 4 72722 90 823224 692 4B IGNITION SYSTEM ELECTRICAL SYSTEMS THUNDERBOLT IV AND V IGNITION SYSTEM...
Страница 334: ...C 4 72078 ELECTRICAL SYSTEM CHARGING SYSTEM...
Страница 344: ...CHARGING SYSTEM 4C 9 90 823225 1 1096 THIS PAGE IS INTENTIONALLY BLANK...
Страница 360: ...D 4 72747 ELECTRICAL SYSTEM INSTRUMENTATION...
Страница 380: ...E 4 72761 ELECTRICAL SYSTEM ELECTRICAL KITS...
Страница 393: ...F 4 72938 ELECTRICAL SYSTEMS WIRING DIAGRAMS...
Страница 427: ...A 5 50830 90 823224 692 5A FUEL DELIVERY SYSTEMS AND FUEL PUMPS FUEL SYSTEM FUEL DELIVERY SYSTEMS AND FUEL PUMPS...
Страница 438: ...B 5 72681 FUEL SYSTEM MERCARB 2 BARREL CARBURETOR...
Страница 467: ...C 5 72085 FUEL SYSTEMS ROCHESTER 4 BARREL CARBURETOR...
Страница 497: ...D 5 70389 90 823224 692 5B WEBER 4 BARREL CARBURETOR FUEL SYSTEMS WEBER 4 BARREL CARBURETOR...
Страница 538: ...5 71692 E FUEL SYSTEMS MULTI PORT AND THROTTLE BODY FUEL INJECTION...
Страница 541: ...90 823225 1 1096 5E 0 ELECTRONIC FUEL INJECTION MULTI PORT AND THROTTLE BODY THIS PAGE IS INTENTIONALLY BLANK...
Страница 558: ...ELECTRONIC FUEL INJECTION MULTI PORT AND THROTTLE BODY 5E 17 90 823225 1 1096 THIS PAGE IS INTENTIONALLY BLANK...
Страница 591: ...90 823225 1 1096 5E 50 ELECTRONIC FUEL INJECTION MULTI PORT AND THROTTLE BODY THIS PAGE IS INTENTIONALLY BLANK...
Страница 727: ...F 5 73662 FUEL SYSTEMS BOS SAV EMISSIONS...
Страница 744: ...A 6 22381 COOLING SYSTEM SEAWATER COOLING MODELS...
Страница 773: ...B 6 72987 COOLING SYSTEM CLOSED COOLED MODELS...
Страница 823: ...A 7 72699 EXHAUST SYSTEM GENERAL...
Страница 828: ...THIS PAGE IS INTENTIONALLY BLANK TO ALLOW FOR CORRECTIONS OR ADDITIONS AT A LATER DATE 7A 4 GENERAL 90 823225 1 1096...
Страница 829: ...B 7 72695 EXHAUST SYSTEM MANIFOLDS AND ELBOWS...
Страница 835: ...C 7 70593 EXHAUST SYSTEM RISERS...
Страница 843: ...THIS PAGE IS INTENTIONALLY BLANK TO ALLOW FOR CORRECTIONS OR ADDITIONS AT A LATER DATE RISERS 7C 7 90 823225 1 1096...
Страница 844: ...D 7 72737 EXHAUST SYSTEM COLLECTORS...
Страница 855: ...THIS PAGE IS INTENTIONALLY BLANK TO ALLOW FOR CORRECTIONS OR ADDITIONS AT A LATER DATE 7D 10 COLLECTORS 90 823225 1 1096...
Страница 856: ...A 8 DRIVES VELVET DRIVE IN LINE TRANSMISSION...
Страница 869: ...B 8 DRIVES VELVET DRIVE V DRIVE AND WALTER V DRIVE TRANSMISSION...
Страница 882: ...C 8 25280 DRIVES HURTH DOWN ANGLE TRANSMISSION...
Страница 932: ...E 8 DRIVES DRIVE SHAFT PROPELLER SHAFT MODELS...
Страница 947: ...A 9 72951 POWER STEERING PUMP...