Trouble Diagnosis Introduction
CAUTION:
DIAGNOSIS FUNCTION
The SRS self-diagnosis results can be read by using "AIR BAG" warning lamp
and/or CONSULT.
The User mode is exclusively prepared for the customer
(driver). This mode warns the driver of a system malfunction
through the
operation of the "AIR BAG" warning lamp.
The Diagnosis mode allows the
technician to locate and inspect the malfunctioning part.
The mode
applications for the "AIR BAG" warning lamp and CONSULT are as follows:
HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIR
A good understanding of the malfunction conditions can make troubleshooting
faster and more accurate.
In general, each customer feels differently about a
malfunction. It is important to fully understand the symptoms
or conditions
for a customer complaint.
Information From Customer
WHAT - Vehicle model<>
WHEN - Date, Frequencies<>
WHERE - Road
conditions<>
HOW - Operating conditions, Symptoms
Preliminary Check
Check that the following parts are in good order.
SRS Operation Check
DIAGNOSTIC PROCEDURE 1
Checking SRS Operation Using "AIR BAG" Warning Lamp-User Mode
SRS Air bag warning lamp examples
DIAGNOSTIC PROCEDURE 2
If no malfunction is detected on "SELF-DIAG [CURRENT]", but malfunction is
detected in "SRS Operation
Check" using the "AIR BAG" warning lamp, the
following cases may exist:
Trouble Diagnosis without CONSULT
DIAGNOSTIC PROCEDURE 6
Inspect SRS Malfunction Using "AIR BAG" Warning Lamp-Diagnosis Mode
NOTE:
SRS will not enter Diagnosis mode if
no malfunction is detected in User mode.
SRS is now in Diagnosis mode. Refer to SRC-56, "Trouble Diagnosis without CONSULT".
CONSULT Function (AIR BAG)
CONSULT can display each diagnostic item using the diagnostic test modes shown.
Self-Diagnosis Function (Without CONSULT)
HOW TO CHANGE SELF-DIAGNOSIS MODE
DIAGNOSTIC PROCEDURE 3
Final Check of SRS Using CONSULT - Diagnosis Mode
DIAGNOSTIC PROCEDURE 4
Check SRS Repair History
1.CONSIDER POSSIBILITY THAT SELF-DIAGNOSTIC RESULT WAS NOT ERASED AFTER REPAIR
Check repair history of the SRS.
Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Che ...
Sunglasses holder
To open the sunglasses holder, push and release.
Only store one pair of sunglasses in the holder.
WARNING
Keep the sunglasses holder closed while
driving to avoid obstructing the driver's
view and to help prevent an accident.
CAUTION
Do not use for anything other than
sunglasses.
...
B2553 ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
Ignition relay-1 (inside IPDM E/R)
Ignition relay-2 (inside fuse block (J/B))
Front blower motor relay
BCM checks any ignition relay ON request for consistency wi ...