Ck Rpm Signal Test For - AMC Jeep ET-501 Instruction Manual

CK RPM SIGNAL
Test for 81-82 6-cyl.
U
TURN KEY ON
CHECK VOLTAGE AT
DIAGNOSTIC
CONNECTOR PIN 6 ON
1981; D1-1 ON 1982
NOB +
CHECK VOLTAGE AT
COIL( + ) TERMINAL
NO B +
CHECK VOLTAGE AT
COIL (-)TERMINAL
NO VOLTAGE
VOLTAGE
u
TURN KEY OFF
DISCONNECT COIL(-)
WIRE
DISCONNECT MCU
CHECK FOR CONTINUITY
BETWEEN COIL (-) WIRE
AND GROUND
NO CONT.
TEST MCU
CHECK FOR CONTINUITY
BETWEEN COIL (-) WIRE .
AND DIAGNOSTIC
CONNECTOR PIN 6 OR D1-1
REASSEMBLE
AND RETEST
REPLACE MCU
AND RETEST
j
NO CONT.
DISCONNECT ENGINE
HARNESS FROM CEC
_HARNESS_
CHECK FOR CONTINUITY
BETWEEN COIL (-) WIRE
AND ENGINE HARNESS
CONNECTOR
NO CONT.
J CONT.
REPAIR OPEN
IN CEC
HARNESS
6-Cylinder 5