Mitsubishi Mirage 2015

TIRE PRESSURE MONITORING SYSTEM (TPMS) DIAGNOSIS
TSB Revision
WHEEL AND TIRE
31-36
STEP 6. Check the TPMS warning light.
Q: Does the TPMS warning light turn OFF after three
seconds of initial lamp check?
YES : Go to Step 7.
NO : Replace the combination meter assembly (Refer to
GROUP 54A - Combination Meter Assembly). Then
go to Step 7
.
STEP 7. Retest the system.
Q: Does the TPMS warning light turn ON and OFF
normally?
YES : The procedure is complete.
NO : Repeat the troubleshooting from Step 1.
Inspection Procedure 2: The TPMS warning light flash for about 1 minute and then remain
illuminated.
CAUTION
 If there is any problem in the CAN bus lines,
an incorrect DTC may be set. Prior to this
diagnosis, diagnose the CAN bus lines (Refer
to GROUP 54C
 CAN Bus Diagnostics Table
P.54C-12).
 Whenever ECU is replaced, ensure that the
CAN bus lines are normal.
.
OPERATION
 The TPMS warning light will flash for about 1
minute and then remain illuminated when a fault
has occurred in the TPMS.
 The TPMS warning light may also flash for about
1 minute and then remain illuminated when a
fault has occurred in the TPMS warning light sig
-
nal circuit (including open circuit and shorted cir-
cuit).
.
COMMENT ON TROUBLE SYMPTOM
 If any TPMS DTCs are set, carry out the relevant
troubleshooting.
 This may be caused by faults in the CAN bus line,
combination meter or ETACS-ECU <vehicles
without Keyless Operation System> or
KOS&OSS-ECU <vehicles with Keyless Opera
-
tion System>.
.
PROBABLE CAUSES
 Damaged wiring harness and connectors
 Registered IDs unmatched
 Effective ID set unmatched
 A fault has occurred in the TPMS.
 Malfunction of the combination meter
 Malfunction of the ETACS-ECU <vehicles without
Keyless Operation System> or KOS&OSS-ECU
<vehicles with Keyless Operation System>
DIAGNOSIS
STEP 1. Using scan tool MB991958, diagnose the CAN bus
lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the CAN bus lines (Refer to GROUP 54C 
CAN Bus Diagnostics Table
P.54C-12). Then go to
Step 2.