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ET-501 Electronic
Tester Instruction Manual
ALL ET-501 ELECTRONIC TESTERS
Attention: Workshop, Parts Department
GENERAL INFORMATION
Refer to the illustration below and enter REFER TO BULLETIN 1 adjacent to the headings 6-CYLINDER
and 4-CYLINDER on the table of contents page contained within the ET-501 Electronic Tester Instruction
Manual (P/N 8981 320 761).
TABLE OF CONTENTS
GENERAL INFORMATION
Description..
.
1
Design Features
. .
.
.
1
Replaceable Parts
.
2
CEC Fuel Feedback System Operation
3
Operating Instructions
.
3
Definition of Tester Displays.
.
...
. 6
6-CYLINDER -
Seder (o
BulbUn 1
DO UIM TEST - Test for 82
....
.
2
' CK GND + PWR FEED Test for 81-82
3
CK GND * PWR FEED Test for 83-84
4
CK RPM SIGNAL Test for 81-82
. .
.•. S
CK RPM SIGNAL Test for 83-84
.
7
CK IDLE CKT Test for 82
.
.
9
CK IDLE CKT Test for 83-84
.11
CK CSW CKT Test tor 81
.
.
.
.
.
13
CK CSW CKT Test for 82
15
CK CSW CKT Test for 83-84
16
CK AIR MGMT SYS Test for 81-82
.17
CK'AIR MGMT SYS Test for 83-84
.19
CK TES CKT Test for 81
.23
•
' - CK TES CKT Test for 82
.25
CK TES CKT Test for 83-84
27
CK ALT CKT Test for 81-82
29
CK ALT CKT Test for 83-84
.30
CK VSA Test for 81 ... .
.....
31
CK VSA Test for 82-83-84
.
.
1.
35
CK STP MOT Test for 81-82
37
.
'
,
CK STP MOT Test for 83-84
..
39
CK PCV SYS Test for 83-84
...•_
41
CK OPSW + CHOKE Test for 82-83-84
!
.
42
CK WOT CKT Test for 81
.
.
.43
CK WOT CKT Test for 82
44
CK WOT CKT Test for 83-84
45
DO CLD LOOP TEST Test for 81
46
DO CLD LOOP TEST Test for 82
.
47
DO CLD LOOP TEST Test for 83-84
.48
RP
OVER LEAN Test for 81-82-83-84
.
49
RP
OVER RICH Test for 81-82-83-84
.
50
4-CYLINDER - fMtr
do
BuHtin 1
RP VSA Test for 83-84
.2
CK GND + PWR FEED Test for 83-84
.
.
.
2
CK RPM SIGNAL Test for 83-84
.
2
CK
AIR
MGMT SYS Test for 83-84 .
.
2
CK CSW CKT Test for 83-84 .
.
2'
CK ALT CKT Test for 83-84
.
2
CK TES CKT Test for 83-84
.
2
CK VSA Test for 82-83-84 ..
.
2
DO CLD LOOP TEST Test for 83-84
.
2
100003
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