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Honda Ridgeline. Manual - part 12

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4-5

Circuit Diagram

WHT

X36

BLK/YEL

WHT

BLK/YEL

BLU/WHT

ST HOT in START (III)

G102

G101

BLK/YEL

SOLENOID

STARTER

BLK

BLK/WHT

UNDER HOOD FUSE/RELAY BOX

BATTERY

No.23 (IG) (50 A)

No.22 (BAT) (120 A)

BAT

IGNITION SWITCH

STARTER
CUT
RELAY

TRANSMISSION
RANGE SWITCH
(Closed : P or N)

UNDER DASH
FUSE/RELAY
BOX

UNDER DASH
FUSE/RELAY BOX

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YES

4-6

Starting System

Starter System Circuit Troubleshooting

NOTE:

• 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 module (PCM), otherwise the PCM will
continue to stop the fuel injectors from functioning.
Select PCM reset using the Honda Diagnostic System
(HDS) (see page 11-4).

• The battery must be in good condition and fully

charged.

1. Hook up the following equipment:

• Ammeter, 0

400 A

• Voltmeter, 0

20 V (accurate within 0.1 V)

2. Connect the HDS to the data link connector (DLC)

(see step 2 on page 11-3).

3. Turn the ignition switch ON (II), and select PGM-FI,

INSPECTION, then ALL INJECTORS OFF on the
HDS.

4. Set the parking brake, then with the shift lever in

the N or P position, turn the ignition switch to
START (III).

The starting system is OK. Go to step 11.

Go to step 5.

5. Check the battery condition (see page 22-74). Check

the electrical connections at the battery, the
negative battery cable to the body, the engine
ground cables, and the starter for looseness and
corrosion. Then try cranking the engine again.

Repairing the loose connection corrected the

problem. The starting system is OK. Go to step 11.

Check the following:

• If the starter will not crank the engine at all, go to

step 6.

• If the starter cranks the engine erratically or too

slowly, go to step 8.

• If the starter does not disengage from the torque

converter ring gear when you release the key,
replace the starter or remove it, and check for the
following:
– Solenoid plunger and switch malfunction
– Dirty drive gear or damaged overrunning

clutch

Does the star ter cr ank the engine nor mally?

Does the star ter cr ank the engine?

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YES

4-7

6. Make sure the shift lever is in the N or P position,

and set the parking brake. Disconnect the BLK/WHT
wire from the starter solenoid S terminal. Connect
a jumper wire from the battery positive terminal to
the solenoid terminal.

Go to step 7.

Remove the starter, and repair or replace as

necessary.

7. Check the following items in the order listed until

you find the open circuit:

NOTE: After the open circuit is found and repaired,
go to step 11.

• The BLK/WHT wire and connectors between the

under-dash fuse/relay box and the ignition switch.

• The BLK/WHT wire and connectors between the

under-dash fuse/relay box and the starter.

• The ignition switch (see page 22-77).
• The transmission range switch and connector

(see page 14-272).

• The starter cut relay (see page 22-75).

8. While cranking the engine, check the cranking

voltage and the current draw.

Go to step 9.

Replace the starter, or remove and

disassemble it, and check for the following:

• Drag in the starter armature
• Shorted armature winding
• Excessive drag in the engine

9. Check the engine speed while cranking the engine.

Go to step 10.

Replace the starter, or remove and

disassemble it, and check the following until you
find the problem:

• Open circuit in starter armature commutator

segments

• Excessively worn starter brushes
• Open circuit in the starter brushes
• Dirty or damaged helical splines or drive gear
• Faulty drive gear clutch

10. Remove the starter, and inspect its drive gear and

the torque converter ring gear for damage. Replace
any damaged parts.

11. Select PCM reset (see page 11-4) to cancel the ALL

INJECTORS OFF on the HDS.

Does the star ter cr ank the engine?

Is the cr anking voltage gr eater than or equal to
7 .7 V and is the cur r ent dr aw less than or equal to
400 A?

Is the engine speed above 100 r pm?

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4-8

Starting System

Starter Solenoid Test

8 x 1.25 mm
9.8 N·m (1.0 kgf·m, 7.2 lbf·ft)

1. Make sure you have anti-theft codes for the audio

system and navigation system (if equipped).

2. Disconnect the negative cable from the battery.

3. Remove the starter cable terminal (A), BLK/WHT

wire connector (B), and motor cable (C).

4. Check the hold-in coil for continuity between the

S terminal and the armature housing (ground).
There should be continuity.

• If there is continuity, go to step 5.
• If there is no continuity, replace the solenoid.

5. Check the pull-in coil for continuity between the

S terminal and the M terminal. There should be
continuity.

• If there is continuity, the solenoid is OK.
• If there is no continuity, replace the solenoid.

6. Install in the reverse order of removal.

7. Connect the negative cable.

8. Enter the anti-theft codes for the audio system and

navigation system (if equipped).

9. Do the power window control unit reset procedure

(see page 22-209).

10. Enter the anti-theft codes for the audio system and

the navigation system (if equipped). Set the clock
(on vehicles without navigation).

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