Chrysler New Yorker. Manual — part 603
TEST TC-69A
REPAIRING - INJECTOR #5 CONTROL CIRCUIT
FIG. 1
FIG. 2
FIG. 3
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TEST TC-69A
REPAIRING - INJECTOR #5 CONTROL CIRCUIT
*Perform Verification TEST VER-2A.
**Check connectors - Clean / repair as necessary.
NOTE: IT MAY BE
DISCONNECT INJECTOR
START TEST
NECESSARY TO
REFER TO SERVICE
#5 HARNESS
TC-69A.
REMOVE THE INTAKE
MANUAL FOR
CONNECTOR.**
PLENUM IN THE
INSTRUCTIONS.
SEE GENERAL INFO 4.1
FOLLOWING STEPS.
USING A VOLTMETER,
USING THE DRB, MEASURE THE ASD
DOES
THE VOLTAGE
ACTUATE THE ASD
RELAY OUTPUT
CYCLE FROM 0 TO 12
FIG. 1
YES
USING AN OHMMETER,
MEASURE THE
IS
THE RESISTANCE NO REPLACE THE FUEL
RESISTANCE ACROSS
BETWEEN 10.0 AND
INJECTOR.*
THE INJECTOR.
16.0 OHMS?
YES
DISCONNNECT THE
RECONNECT THE
POWERTRAIN CONTROL
INJECTOR HARNESS
MODULE HARNESS
CONNECTOR. CONNECTORS.**
SEE GENERAL INFO 4.1
USING A FUSED
USING A 12 VOLT
JUMPER, JUMPER B+ TO
TEST LIGHT, PROBE
DID THE TEST LIGHT
YES
REPLACE THE
THE ASD RELAY OUTPUT
THE INJECTOR #5
ILLUMINATE?
POWERTRAIN CONTROL
CKT AT THE PCM
CIRCUIT TO GROUND.
MODULE.*
HARNESS CONN. FIG. 2
FIG. 2
NO
USING AN OHMMETER,
REPAIR THE SHORT
DISCONNECT THE
MEASURE THE
IS THE RESISTANCE
NO
TO GROUND IN THE
INJECTOR HARNESS
INJECTOR #5 DRIVER
BELOW 5.0 OHMS?
INJECTOR #5 DRIVER
CONNECTOR.** CIRCUIT TO
GROUND.
CIRCUIT.*
FIG. 1
YES
DRIVER CIRCUIT
USING AN OHMMETER,
FROM THE INJECTOR
IS THE RESISTANCE
NO
REPAIR THE OPEN
MEASURE THE
CONNECTOR TO THE
BELOW 5.0 OHMS?
INJECTOR #5 DRIVER
INJECTOR #5 ...
PCM CONN.
CIRCUIT.*
FIG. 3
YES
CONTINUE TEST
TC-69A ON THE
NEXT PAGE
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TEST TC-69A
CONTINUED - REPAIRING - INJECTOR #5 CONTROL CIRCUIT
FIG. 1
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250
TEST TC-69A
CONTINUED - REPAIRING - INJECTOR #5 CONTROL CIRCUIT
*Perform Verification TEST VER-2A.
**Check connectors - Clean / repair as necessary.
CONNECT THE
TEST TC-69A
POWERTRAIN CONTROL
CONTINUED FROM MODULE
HARNESS
PREVIOUS PAGE.
CONNECTORS.
KEY ON, ENGINE USING A VOLTMETER,
REPAIR
THE SHORT
OFF. WITH THE DRB,
MEASURE THE
IS THE VOLTAGE
YES
TO VOLTAGE IN THE
ACTUATE THE ASD
INJECTOR #5 DRIVE
ABOVE 1.0 VOLT?
INJECTOR #5 DRIVE
RELAY. CIRCUIT.
CIRCUIT.*
FIG. 1
NO
REPLACE THE
POWERTRAIN CONTROL
MODULE.*
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