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Ignition Control - Service Information: Specifications Dodge Nitro I

Ignition System 5 illustrations ~232 words

SPECIFICATIONS - ENGINE FIRING ORDER - 3.7L

1 - 6 - 5 - 4 - 3 - 2

TORQUE CHART

DESCRIPTIONN.mFt. Lbs.In. Lbs.
Camshaft Position Sensor - 3.7L12106
Camshaft Position Sensor - 4.0L12106
Crankshaft Position Sensor - 3.7L2821205
Crankshaft Position Sensor - 4.0L2821205
Ignition Coil Mounting - 3.7L870
Ignition Coil Mounting - 4.0L6.760
* Knock Sensor - 3.7L2015 +/- 2176
* Knock Sensor - 4.0L107
Spark Plugs - 3.7L2720
Spark Plugs - 4.0L17.513
Tilt lever bracket4.540
Ignition switch mounting screws326
* 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. (20 N.m).

Scheme 5

Scheme 5: AUTO SHUTDOWN RELAY
Scheme 5: AUTO SHUTDOWN RELAY

The ASD relay is located in the Totally Integrated Power Module (TIPM) (1). The TIPM is located in the engine compartment near the left inner fender (2). Refer to label on TIPM cover for relay location.

  1. Remove TIPM cover.
  2. Remove relay from TIPM.
  3. Check condition of relay terminals and TIPM connector terminals for damage or corrosion. Repair if necessary before installing relay.
  4. Check for pin height (pin height should be the same for all terminals within the TIPM connector). Repair if necessary before installing relay.

Scheme 6

Scheme 6: AUTO SHUTDOWN RELAY
Scheme 6: AUTO SHUTDOWN RELAY
  1. Refer to TIPM cover for ASD relay location.
  2. Install relay to TIPM (1).
  3. Install cover to TIPM.

Scheme 7

Scheme 7: CAMSHAFT POSITION SENSOR - 3.7L
Scheme 7: CAMSHAFT POSITION SENSOR - 3.7L

The Camshaft Position Sensor (CMP) (3) is bolted to the front/top of the right cylinder head (1).

  1. Raise and support vehicle.
  2. Disconnect electrical connector at CMP sensor.
  3. Remove sensor mounting bolt (2).
  4. Carefully twist sensor from cylinder head.
  5. Check condition of sensor o-ring.

Scheme 8

Scheme 8: REMOVAL - 4.0L
Scheme 8: REMOVAL - 4.0L

The Camshaft Position Sensor (CMP) (1) is located at the front/top of the timing gear cover below the generator (2).

Scheme 9

Scheme 9
Scheme 9
  1. Remove generator. Refer to «REMOVAL»(ref-306161-S35576092952008120900000) .
  2. Disconnect electrical connector (1) at CMP sensor.
  3. Remove sensor mounting bolt (3).
  4. Carefully twist sensor (2) from timing gear cover.
  5. Check condition of sensor O-ring.

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