Honda CR-V: Ignition System

Component Location Index

Honda CR-V. Ignition System

Circuit Diagram

Honda CR-V. Ignition System

Ignition Timing Inspection

1. Connect the Honda Diagnostic System (HDS) to the data link connector (DLC).

2. Turn the ignition switch ON (II).

3. Make sure the HDS communicates with the vehicle and the powertrain control module (PCM). If it doesn't communicate, troubleshoot the DLC circuit.

4. Start the engine. Hold the engine speed at 3,000 rpm without load (Park or neutral) until the radiator fan comes on, then let it idle.

5. Check the idle speed.

6. Jump the SCS line with the HDS.

7. Connect the timing light to the service loop (white tape).

Honda CR-V. Ignition System

8. Aim the light toward the pointer (A) on the cam chain case. Check the ignition timing under a no load condition (headlights, blower fan, rear window defogger, and air conditioner are turned off).

Ignition Timing:

8 º +- 2 º BTDC (RED mark (B) ) at idle in P or N position

Honda CR-V. Ignition System

9. If the ignition timing differs from the specification, check the cam timing. If the cam timing is OK, update the PCM, if it does not have the latest software, or substitute a known-good PCM, then recheck. If the system works properly, and the PCM was substituted, replace the original PCM.

10. Disconnect the HDS and the timing light.

Ignition Coil Removal/Installation

1. Remove the ignition coil cover (A), disconnect the ignition coil connectors (B), then remove the ignition coils (C).

Honda CR-V. Ignition System

2. Install the ignition coils in the reverse order of removal.

Spark Plug Inspection

1. Remove the spark plugs, and inspect the electrodes and ceramic insulator.

Honda CR-V. Ignition System

2. If the spark plug electrode is dirty or contaminated, clean the electrode with a plug cleaner.

NOTE:

3. Replace the plug at the specified interval, or if the center electrode is rounded (A), or if the spark plug gap (B) is out of specification. Use only the listed spark plugs.

NOTE: Do not adjust the gap of iridium tip plugs.

Spark Plugs

NGK: IZFR6K11
DENSO: SKJ20DR-M11
Electrode Gap
Standard (New): 1.0-1.1 mm (0.039-0.043 in.)

Honda CR-V. Ignition System

4. Apply a small amount of anti-seize compound to the plug threads, and screw the plugs into the cylinder head, finger-tight. Then torque them to 18 N*m (1.8 kgf*m, 13Ibf*ft).

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