Kia Sedona (2008 year). Instruction — part 6

Fig. 15: Checking Stop Lamp Switch Circuit
Courtesy of KIA MOTORS AMERICA, INC.

CHECK THE HYDRAULIC CIRCUIT FOR LEAKAGE.

Refer to the hydraulic lines .

Inspect leakage of the hydraulic lines.

Is the system operating to specifications?

YES



The problem is still occurring, replace the ABS control module.

NO



Replace the leaking hydraulic lines.

COMMUNICATION WITH SCAN TOOL IS NOT POSSIBLE (COMMUNICATION WITH ANY
SYSTEM IS NOT POSSIBLE)

DETECTING CONDITION

DETECTING CONDITION CHART

INSPECTION PROCEDURES

CHECK THE POWER SUPPLY CIRCUIT FOR THE DIAGNOSIS

Measure the voltage between terminal 9 of the data link connector and body ground.

Trouble Symptoms

Possible Cause

Possible malfunction in the power supply system
(including ground) for the diagnosis line.



An open in the wire



Poor ground



Inoperative power source circuit

2008 Kia Sedona

2008 BRAKES ABS (Anti-Lock Brake System) - Sedona

Microsoft

Saturday, May 22, 2010 6:52:41 PM

Page 21

© 2006 Mitchell Repair Information Company, LLC.

Specification: approximately B+

Is voltage within specification?

YES



Check the ground circuit for the diagnosis.

NO



Repair an open in the wire. Check and replace fuse (15A) from the engine compartment junction block.

Fig. 16: Checking Power Supply Circuit
Courtesy of KIA MOTORS AMERICA, INC.

CHECK THE GROUND CIRCUIT FOR THE DIAGNOSIS

Check for continuity between terminal 5 of the data link connector and body ground.

Is there continuity?

NO



Repair an open in the wire between terminal 5 of the data link connector and ground point.

2008 Kia Sedona

2008 BRAKES ABS (Anti-Lock Brake System) - Sedona

Microsoft

Saturday, May 22, 2010 6:52:41 PM

Page 22

© 2006 Mitchell Repair Information Company, LLC.

Fig. 17: Checking Ground Circuit
Courtesy of KIA MOTORS AMERICA, INC.

COMMUNICATION WITH SCAN TOOL IS NOT POSSIBLE (COMMUNICATION WITH ABS
ONLY IS NOT POSSIBLE)

DETECTING CONDITION

DETECTING CONDITION CHART

INSPECTION PROCEDURES

CHECK FOR CONTINUITY IN THE DIAGNOSIS LINE

1. Disconnect the connector from the ABS control module.

2. Check for continuity between terminals 11 of the ABS control module connector and 1 of the data link

connector.

Is there continuity?

YES



Check the power source of ABS control module.

NO



Repair an open in the wire.

CHECK THE POWER SOURCE OF ABS CONTROL MODULE

Trouble Symptoms

Possible Cause

When communication with Scan Tool is not
possible, the cause may be probably an open in the
HECU power circuit or an open in the diagnosis
output circuit.



An open in the wire



Inoperative HECU



Inoperative power source circuit

2008 Kia Sedona

2008 BRAKES ABS (Anti-Lock Brake System) - Sedona

Microsoft

Saturday, May 22, 2010 6:52:41 PM

Page 23

© 2006 Mitchell Repair Information Company, LLC.

1. Disconnect the connector from the ABS control module.

2. Turn the ignition switch ON, measure the voltage between terminal 18 of the ABS control module

harness side connector and body ground.

Specification: approximately B+

Is voltage within specification?

YES



Check for poor ground.

NO



Check the harness or connector between the fuse (10A) in the engine compartment junction block
and the ABS control module. Repair if necessary.

Fig. 18: Checking Harness Or Connector Between Fuse Engine Compartment Junction Block And
ABS Control Module
Courtesy of KIA MOTORS AMERICA, INC.

CHECK FOR POOR GROUND

Check for continuity between terminal 5 of the data link connector and ground point.

YES



Replace the ABS control module and recheck.

NO



Repair an open in the wire or poor ground.

2008 Kia Sedona

2008 BRAKES ABS (Anti-Lock Brake System) - Sedona

Microsoft

Saturday, May 22, 2010 6:52:41 PM

Page 24

© 2006 Mitchell Repair Information Company, LLC.