Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 463
5.
(F923) RUN RELAY CONTROL CIRCUIT SHORTED TO GROUND
NOTE: This circuit contains a diode. When checking for a short to
ground you must check both sides of the diode.
NOTE: Ensure the diode is installed correctly in the Rear Power
Distribution Module.
Measure the resistance between ground and the (F923) Run Relay
Control circuit at the FCM–PDM connector.
Is the resistance below 10.0 ohms?
Yes
>> Repair the (F923) Run Relay Control circuit for a short to
ground.
Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Inspect the wiring and connectors for damage or shorted
circuits. If ok, replace and program the Front Control Mod-
ule in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
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IGNITION SYSTEM - ELECTRICAL DIAGNOSTICS
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IGNITION SYSTEM - SERVICE INFORMATION
TABLE OF CONTENTS
page
page
IGNITION SYSTEM - SERVICE INFORMATION
IGNITION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . 32
OPERATION - IGNITION SYSTEM . . . . . . . . . . . . . . 32
SPECIFICATIONS
SENSOR-CAMSHAFT POSITION
COIL-IGNITION
CAPACITOR-IGNITION COIL
SWITCH-IGNITION
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
CYLINDER-IGNITION KEY AND LOCK
SENSOR-KNOCK
PLUG-GLOW
RELAY-GLOW PLUG
RELAYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
PLUG-SPARK
DESCRIPTION - PLATINUM PLUGS . . . . . . . . . . . . 72
REMOVAL
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IGNITION SYSTEM - SERVICE INFORMATION
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IGNITION SYSTEM - SERVICE INFORMATION
DESCRIPTION
IGNITION SYSTEM
NOTE: All engines use a fixed ignition timing system. Basic ignition timing is not adjustable. All spark
advance is determined by the Powertrain Control Module (PCM).
The ignition system used on these engines is referred to as the Direct Ignition System (DIS). The system’s three
main components are the coils, crankshaft position sensor, and camshaft position sensor. If equipped with the coil
on plug ignition system it utilizes an ignition coil for every cylinder, it is mounted directly over the each spark plug.
OPERATION - IGNITION SYSTEM
The crankshaft position sensor and camshaft position sensor are hall effect devices. The camshaft position sensor
and crankshaft position sensor generate pulses that are inputs to the PCM. The PCM determines engine position
from these sensors. The PCM calculates injector sequence and ignition timing from crankshaft & camshaft position.
For a description of both sensors, refer to Camshaft Position Sensor and Crankshaft Position Sensor.
SPECIFICATIONS
TORQUE
DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
Camshaft Position Sensor
- 2.7L
12
-
105
Camshaft Position Sensor
- 3.5L
12
-
105
Camshaft Position Sensor
- 5.7L V-8 Engine
12
9
105
Crankshaft Position
Sensor - 2.7L
12
-
105
Crankshaft Position
Sensor - 3.5L
12
-
105
Crankshaft Position
Sensor - 5.7L V-8 Engine
12
9
105
Ignition Coil Mounting -
2.7L
6.2
-
55
Ignition Coil Mounting -
3.5L
6.7
-
60
Ignition Coil Mounting -
5.7L V-8 Engine
12
9
105 (± 20)
Ignition Coil Mounting -
6.1L V-8 Engine
6 - 8
-
53 - 71 in. lbs.
Knock Sensor - 2.7L
10
-
83
Knock Sensor - 3.5L
20
15.2
-
* Knock Sensor - 5.7/6.1L
V-8 Engine
20
15
176
Spark Plugs - 2.7L
17
-
150
Spark Plugs - 3.5L
28
20
-
** Spark Plugs - 5.7L V-8
Engine
18 (± 3)
13 (± 2)
-
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IGNITION SYSTEM - SERVICE INFORMATION
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DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
** Spark Plugs - 6.1L V-8
Engine
15 - 20
11 - 15
-
Capacitor Nut
12
8.8
106
* Do not apply any
sealant, thread-locker or
adhesive to bolts. Poor
sensor performance may
result.
** Torque critical tapered
design. Do not exceed 15
ft. lbs.
SPARK PLUGS
ENGINE
PLUG TYPE
ELECTRODE GAP
2.7L
RE10PMC5
0.048 TO 0.058 in.
3.5L
ZFR5LP-13G
0.048 TO 0.058 in.
5.7L Hemi V-8
Champion - RE14MCC4
1.14 mm (0.045 in.)
6.1L Hemi V-8
NGK PLZTR5A-13
1.3 mm (0.050 in.)
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IGNITION SYSTEM - SERVICE INFORMATION
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