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Honda Odyssey 2004. Manual - part 255

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Multiplex Control Unit, Driver’s, Connector A (24P)

Cavity

Wire Color

Test Condition

Test: Desired Result

Multiplex Control Unit, Driver’s, Connector B (22P)

Cavity

Wire Color

Test Condition

Test: Desired Result

Cavity

Wire Color

Test Condition

Test: Desired Result

Possible Cause(If result is not obtained)

14-414

A/T Interlock System

Control Unit Input Test

SRS components are located in this area. Review the SRS component locations, 2002 model (see page 23-19), 2003-
2004 models (see page 23-20), and the precautions and the procedures (see page 23-21) in the SRS before performing
repairs or service.

1. Disconnect the 22P connector from the multiplex control unit, driver’s, then remove the control unit from the

driver’s under-dash fuse/relay box.

2. Inspect the connectors and connector terminals to be sure they are all making good contact.

• If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
• If the terminals look OK, go to step 3.

NOTE: If the shift lock solenoid clicks when the ignition switch is turned ON (II) while pressing the brake pedal with
the shift lever in the P position, the shift lock system is OK. If the shift lever cannot be shifted from the P position,
test the transmission range switch.

3. With the control unit still disconnected from its connectors and the fuse/relay box, make these input tests.

• If a test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 4.

•
•
•

•
•

Under all
conditions

Check for continuity to ground:
There should be continuity.

Poor ground (G401)
An open in the wire

A12

Ignition switch
turned ON (II)

Check for voltage to ground:
There should be battery voltage.

Blown No. 9 (10A) fuse in the
driver’s under-dash fuse/relay
box
An open in the wire

A15

Shift lever in P

Check for continuity to ground:
There should be continuity.

Faulty transmission range
switch
Poor ground (G101)
An open in the wire

•
•
•

•
•

B11

BLK

Under all
conditions

Check for continuity to ground:
There should be continuity.

Poor ground (G401)
An open in the wire

B22

GRN

Ignition switch
ON (II)

Check for voltage to ground:
There should be battery voltage.

Blown No. 9 (10A) fuse in the
driver’s under-dash fuse/relay
box
Faulty shift lock solenoid
An open in the wire

4. Reconnect the connectors to the multiplex control unit, and make this input test.

• If a test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, substitute a known-good multiplex control unit, and recheck the system.

If the system is OK, the multiplex control unit must be faulty; replace it.

•

•
•

•

B12

WHT/RED

Ignition switch
ON (II) and brake
pedal pushed

Check for voltage to ground:
There should be battery voltage.

Faulty brake pedal position
switch
Faulty PCM
Faulty multiplex control unit
(driver’s)
An open in the wire

Ignition switch
ON (II), brake pedal
and accelerator
pedal pressed at
the same time

Check for voltage to ground:
There should be 1 V or less.

03/07/29 09:45:37 61S0X050_140_0417

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０１

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14-415

Key Interlock Solenoid/Switch Test

Shift Lock Solenoid Test

KEY SWITCH CONNECTOR (7P)

SRS components are located in this area. Review the
SRS component locations, 2002 model (see page 23-19),
2003-2004 models (see page 23-20), and the
precautions and procedures (see page 23-21) in the SRS
before performing repairs or service.

1. Remove the steering lower cover (see page 17-25).

2. Disconnect the key switch connector (7P) from the

steering lock assembly.

3. Check for continuity between the terminals No. 5

and No. 7 when the key is pushed, and check for no
continuity when the key is released.

4. Check that the key cannot be removed with power

connected to the terminal No. 7 and ground
connected to the terminal No. 3.

• If the key cannot be removed, the key interlock

solenoid is OK.

• If the key can be removed, replace the steering

lock assembly (the key interlock solenoid is not
available separately).

1. Remove the steering column upper cover (see page

17-25).

2. Disconnect the shift lock solenoid 2P connector.

3. Connect the battery positive terminal shift lock

solenoid connector terminal No. 1, and connect the
battery negative terminal to the terminal No. 2.

4. Check that the shift lever can be moved from the P

position. Release the battery terminals from the
shift lock solenoid connector. Move the shift lever
back to the P position, and make sure it locks.

NOTE: Do not connect power to the terminal No. 2
(reverse polarity) or you will damage the diode
inside the solenoid.

5. Check that the shift lock releases when the release

lever is pushed, and check that it locks when the
release lever is released.

6. If the solenoid does not work, replace it.

Terminal side of male terminals

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14-416

A/T Interlock System

Shift Lock Solenoid Replacement

A
8 x 1.25 mm
22 N·m (2.2 kgf·m, 16 lbf·ft)

C
8 x 1.25 mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)

A
3 N·m
(0.3 kgf·m,
2 lbf·ft)

1. Remove the steering column covers (see page 17-

25).

2. Shift the transmission into the N position.

3. Remove the nut (A) securing the shift cable end (B),

then separate the shift cable (C) from the shift lever
assembly (D).

4. Disconnect the shift lock solenoid connector (A)

and the park pin switch connector (B).

5. Remove the three bolts (C) securing the shift lever

assembly, then remove the shift lever assembly (D).

6. Remove the screws (A) securing the shift lock

solenoid (B), then remove the shift lock solenoid.

7. Install the shift lock solenoid plunger (C) and

plunger spring (D) in the new shift lock solenoid.

8. Install the shift lock solenoid by aligning the joint of

the shift lock solenoid with the tip of the shift lock
extension (E), then tighten the screws.

9. Install the shift lever assembly.

10. Install the shift cable end to the shift lever. If

necessary, adjust the shift cable (see step 5 on
page 14-395).

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14-417

Park Pin Switch Test/Replacement

1. Remove the steering column covers (see page 17-

25).

2. Disconnect the park pin switch connector.

3. Shift the shift lever into the P position, then check

for continuity between the terminals No. 1 and
No. 3. There should be no continuity.

4. Shift the shift lever out of the P position, and check

for continuity between the terminals in step 3.

5. If the park pin switch is faulty, replace the control

bracket assembly. (The park pin switch is not
available separately.)

03/07/29 09:45:39 61S0X050_140_0420

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