Page 350 of 436
TEST NTC-10ACONTINUED - CHECKING THE FUEL HEATER AND THE CRANKCASE VENT HEATER
FIG.1
N
O
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
344
ProCarManuals.com
Page 351 of 436
TEST NTC-10ACONTINUED - CHECKING THE FUEL HEATER AND THE CRANKCASE VENT HEATER
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
REPAIR THE OPEN FUEL
HEATER RELAY OUTPUT
CIRCUIT TO THE FUEL
HEATER.*
N
O
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
345
ProCarManuals.com
Page 352 of 436
TEST NTC-10ACONTINUED - CHECKING THE FUEL HEATER AND THE CRANKCASE VENT HEATER
FIG.1
N
O
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
346
ProCarManuals.com
Page 353 of 436
TEST NTC-10ACONTINUED - CHECKING THE FUEL HEATER AND THE CRANKCASE VENT HEATER
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
KEY ON. USING THE
DRB, SELECT9SEN-
SORS9AND READ THE
FUEL TEMP DEGREES.
N
O
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
347
ProCarManuals.com
Page 354 of 436
TEST NTC-10ACONTINUED - CHECKING THE FUEL HEATER AND THE CRANKCASE VENT HEATER
FIG.1
N
O
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
348
ProCarManuals.com
Page 355 of 436
TEST NTC-10ACONTINUED - CHECKING THE FUEL HEATER AND THE CRANKCASE VENT HEATER
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST NTC-10A CONNECT A TEST
CONTINUED FROM WITH THE IGNITION LIGHT BETWEEN
THE PREVIOUS STILL ON... GROUND AND THE
PAGE. FUEL HEATER RELAY
OUTPUT CKT. AT...
THE CRANKCASE VENT REPAIR THE OPEN FUEL
HEATER HARNESS IS THE TEST LIGHT NO HEATER RELAY OUTPUT
CONNECTOR. ON? CKT FROM THE SPLICE
TO THE CRANKCASE
FIG. 1 VENT HEATER.*
YES
CONNECT A TEST LIGHT REPAIR THE OPEN
ACROSS THE CRANKCASE IS THE TEST LIGHT NO CRANKCASE VENT
VENT HEATER HARNESS ON? HEATER GROUND
CONNECTOR. CIRCUIT.*
FIG. 1
YES
USING AN OHMMETER,
MEASURE RESISTANCE IS THE RESISTANCE NO REPLACE THE
OF THE CRANKCASE BETWEEN CRANKCASE VENT
VENT HEATER. 10.0 AND 16.0 OHMS? HEATER.*
FIG.1
YES
TEST COMPLETE.
N
O
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
349
ProCarManuals.com
Page 356 of 436
TEST NTC-10BCHECKING THE FUEL HEATER AND THE CRANKCASE VENT HEATER
Perform TEST NTC-10A Before Proceeding
FIG. 1
N
O
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
350
ProCarManuals.com
Page 357 of 436
TEST NTC-10BCHECKING THE FUEL HEATER AND THE CRANKCASE VENT HEATER
Perform TEST NTC-10A Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST
NTC-10B. TURN IGNITION OFF.
REPLACE FUSE #16.
NO
TURN IGNITION ON IS THE FUSE OPEN? TEST COMPLETE.*
AND INSPECT FUSE
#16.
YES
CONNECT A JUMPER
REMOVE FUEL HEATER WIRE ACROSS FUEL
RELAY. HEATER RELAY
CAVITIES 30 & 87
(IN PDC). FIG. 1
REPLACE FUSE #6 NO REPLACE THE FUEL
IS THE FUSE OPEN? HEATER RELAY.*
TURN IGNITION ON.
YES
KEY OFF. REPLACE FUSE #16 AND
TURN IGNITION ON. NO REPLACE THE FUEL
DISCONNECT THE IS THE FUSE OPEN? HEATER.*
FUEL HEATER INSPECT FUSE #16.
HARNESS CONNECTOR.
YES
KEY OFF. REPLACE FUSE #16 AND
DISCONNECT THE TURN IGNITION ON. NO REPLACE THE
CRANKCASE VENT IS THE FUSE OPEN? CRANKCASE VENT
HEATER HARNESS INSPECT FUSE #16. HEATER.*
CONNECTOR.
YES
REPAIR THE FUEL
HEATER RELAY
OUTPUT CIRCUIT FOR
A SHORT TO
GROUND.*
N
O
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
351
ProCarManuals.com
