Honda ACCORD HYBRID 2005 Service Manual page 49

S t a r t e r C i r c u i t T r o u b l e s h o o t i n g
NOTE:
• The engine is normally started by the IMA system.
The 12 V starter is only used w h e n the IMA system
has a p r o b l e m , such as being very hot or very cold.
• Air temperature must be between 59 and 100 °F (15
and 38 °C) during this procedure.
• After this inspection, you must reset the powertrain
control m o d u l e (PCM), otherwise the PCM w i l l
continue to stop the injectors f r o m functioning. Select
PCM reset using the Honda Diagnostic System (HDS)
(see page 11-4).
• The 12 V battery must be in g o o d condition and fully
charged.
Recommended Procedure
• Use a starter system tester.
• Connect and operate the e q u i p m e n t in accordance
w i t h the manufacturer's instructions.
• Turn the IMA battery module switch OFF (see page
12-4).
Alternate Procedure
1. Hook up the f o l l o w i n g equipment:
• A m m e t e r , 0—400 A
• Voltmeter, 0—20 V (accurate w i t h i n 0.1 V)
2. Connect the HDS to the data link connector (DLC)
(see step 2 on page 11-3).
3. On the HDS, select PGM-FI, INSPECTION, and then
ALL INJECTORS OFF.
4. Turn the IMA battery module switch OFF (see page
12-4).
5. W i t h the shift lever in P or N position, turn the
ignition switch to START (III).
Did the 12 V starter crank the engine normally?
Y E S — T h e 12 V starting system is OK. Go to step 27.
N O — G o t o step 6.
6. Check the 12 V battery condition. Check electrical
connections at the battery, the negative battery
cable to body, the engine ground cables and the
starter for looseness and corrosion. Then try
cranking the engine again.
Did the starter crank the engine?
Y E S — R e p a i r i n g the loose connection corrected the
p r o b l e m . The starting system is OK. Go to step 27.
NO—Check the f o l l o w i n g :
• If the starter w i l l not crank the engine at all, go to
step 7.
• If it cranks the engine erratically or too slowly, go
to step 24.
• If it does not disengage f r o m the torque
converter ring gear w h e n y o u release the key,
replace the starter, or remove and disassemble it,
and check for the f o l l o w i n g :
- Solenoid plunger and switch malfunction
- Dirty drive gear or d a m a g e d overrunning
clutch
(cont'd)
4-5