97
NOTE: Make sure the ignition switch is in the ON posi-
tion and the transmission is in park.
NOTE: Verify there are no loose or corroded connec-
tions on the battery and/or starter relay.
3. Rotate the ignition switch while observing the multi-
meter. The multimeter should drop to 0 volts and the
starter should engage.
NOTE: If the starter engages but more than one volt
is indicated by the multimeter, replace the starter
relay. If no “click” is heard and the multimeter contin-
ues to indicate battery voltage, proceed to step 4.
4. Disconnect the two-wire plug from the starter relay;
then connect the red tester lead to the green wire and
the black tester lead to the yellow/green wire.
5. Depress the starter button and observe the multimeter.
NOTE: If battery voltage is indicated, replace the
starter relay. If no voltage is indicated, proceed to
Power Distribution Module (PDM) check.
Engine Control Module
(ECM)
The ECM is located beneath the driver’s seat.
NOTE: The ECM is not a serviceable component. If
the unit is defective, it must be replaced.
The ECM is rarely the cause of electrical problems; how-
ever, if the ECM is suspected, substitute another model-
compatible ECM to verify the suspected one is defective.
This EFI system has a built-in feature that will only allow
an ECM of the same part number to be used in these mod-
els. Do not attempt to substitute an ECM from a different
model as the system will not allow it to start.
Error codes can be cleared by following the procedures
located in the EFI Diagnostic System sub-section in this
section.
NOTE: If the throttle body, ECM, TPS, or ISC are
replaced, the EFI system must be synchronized. Use
the following procedure.
1. With the key off, depress accelerator pedal to Wide
Open Throttle (WOT).
2. Place the ignition key in the ON position and wait for
10 seconds.
3. Release the accelerator pedal, and wait an additional
10 seconds.
4. Turn the key to the OFF position and allow the gauge
to shut off.
Regulator/Rectifier
The regulator/rectifier is secured to the coolant overflow
tank under the hood. Verify all other charging system com-
ponents before the regulator/rectifier is replaced.
TESTING
1. Start engine and warm up to normal operating temper-
ature; then connect a multimeter (set at the DC Volt-
age position) to the battery as follows.
2. Connect the red tester lead to the positive battery post
and the black tester lead to the negative battery post.
3. Slowly increase RPM. The voltage should increase
with the engine RPM to a maximum of 15.5 DC volts.
NOTE: If voltage rises above 15.5 DC volts, the reg-
ulator is faulty or a battery connection is loose or
corroded. Clean and tighten battery connections or
replace the regulator/rectifier. If voltage does not rise,
see Stator Coil/Crankshaft Position (CKP) Sensor -
Voltage in this section. If charging coil voltage is nor-
mal, replace the regulator/rectifier.
Headlights
VOLTAGE
1. Set the meter selector to the DC Voltage position.
2. Set the light switch to the desired position; then con-
nect the black tester lead to the black wire terminal.
3. Connect the red tester lead to the yellow/black wire
terminal (high beam) or white wire terminal (low
beam). The meter must show battery voltage.
NOTE: If battery voltage is not shown in any test,
inspect the fuses on the power distribution module,
headlight switch, ignition switch, or wiring harness.
Taillight-Brakelight
VOLTAGE (Taillight)
NOTE: The ignition switch must be in the ON posi-
tion and either high beam or low beam selected on
the light switch.
1. Set the meter selector to the DC Voltage position.
2. Connect the black tester lead to the black wire; then
connect the red tester lead to the white/red wire. The
meter must show battery voltage.
VOLTAGE (Brakelight)
NOTE: The ignition switch must be in the ON posi-
tion.
