Acura RL. Instruction — page 362

IGNITION SYSTEM TROUBLE SHOOTING

reading matches speedometer

Ping or Knock on Acceleration

Poor Knock sensor signal

Test for shorted or open

sensor or circuit

Poor Baro sensor signal

Test for shorted or open

sensor or circuit

Improper ignition timing

See VEHICLE EMISSION

CONTROL LABEL (where

applicable)

Check for engine overheating problems

Low coolant, loose belts or

electric cooling fan

inoperative

NOTE:

For additional electronic fuel injection trouble shooting information, see the
appropriate article in the ENGINE PERFORMANCE section (not all vehicles
have Computer Engine Control articles). Information is provided there for
diagnosing fuel system problems on vehicles with electronic fuel injection.

NOTE:

This is GENERAL information. This article is not intended to be specific to
any unique situation or individual vehicle configuration. The purpose of this
Trouble Shooting information is to provide a list of common causes to
problem symptoms. For model-specific Trouble Shooting, refer to SUBJECT,
DIAGNOSTIC, or TESTING articles available in the section(s) you are
accessing.

2007 Acura RL

GENERAL INFORMATION Trouble Shooting — Basic Procedures

me

Friday, June 05, 2009 2:26:48 PM

Page 27

© 2005 Mitchell Repair Information Company, LLC.

Fig. 3: Ignition Secondary Trouble Shooting Chart

2007 Acura RL

GENERAL INFORMATION Trouble Shooting — Basic Procedures

me

Friday, June 05, 2009 2:26:48 PM

Page 28

© 2005 Mitchell Repair Information Company, LLC.

Fig. 4: Ignition Primary Trouble Shooting Chart

2007 Acura RL

GENERAL INFORMATION Trouble Shooting — Basic Procedures

me

Friday, June 05, 2009 2:26:48 PM

Page 29

© 2005 Mitchell Repair Information Company, LLC.

STARTER TROUBLE SHOOTING

BASIC STARTER TROUBLE SHOOTING CHART

NOTE:

This is GENERAL information. This article is not intended to be specific to
any unique situation or individual vehicle configuration. The purpose of this
Trouble Shooting information is to provide a list of common causes to
problem symptoms. For model-specific Trouble Shooting, refer to SUBJECT,
DIAGNOSTIC, or TESTING articles available in the section(s) you are
accessing.

CONDITION & POSSIBLE CAUSE

CORRECTION

Starter Fails to Operate

Dead battery or bad connections between starter and battery

Check battery charge and all

wires and connections to

starter

Ignition switch faulty or misadjusted

Adjust or replace ignition

switch

Open circuit between starter switch ignition terminal on starter
relay

Check and repair wires and

connections as necessary

Starter relay or starter defective

See Testing in STARTER

article

Open solenoid pull-in wire

See Testing in STARTER

article

Starter Does Not Operate and Headlights Dim

Weak battery or dead cell

Charge or replace battery as

necessary

Loose or corroded battery connections

Check that battery

connections are clean and

tight

Internal ground in starter windings

See Testing in STARTER

article

Grounded starter fields

See Testing in STARTERS

Armature rubbing on pole shoes

See STARTER article

Starter Turns but Engine Does Not Rotate

Starter clutch slipping

See STARTER article

Broken clutch housing

See STARTER article

Pinion shaft rusted or dry

See STARTER article

Engine basic timing incorrect

See Ignition Timing in

TUNE-UP article

Broken teeth on engine flywheel

Replace flywheel and check

for starter pinion gear

damage

Starter Will Not Crank Engine

Faulty overrunning clutch

See STARTER article

Broken clutch housing

See STARTER article

Broken flywheel teeth

Replace flywheel and check

for starter pinion gear

2007 Acura RL

GENERAL INFORMATION Trouble Shooting — Basic Procedures

me

Friday, June 05, 2009 2:26:48 PM

Page 30

© 2005 Mitchell Repair Information Company, LLC.

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