Mitsubishi Grandis. Manual — part 1028
TROUBLESHOOTING
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-164
STEP 9. Connector check: SRS-ECU connector
C-119, joint connector C-01 <LHD: B1477>, joint
connector C-33 <RHD: B1477> and junction
block connector C-205.
AC311438 AD
C-119 (Y)
Connector: C-119
Harness side
(front view)
AC310613
AE
Connector: C-01 <LHD>
AC310631BD
Connector: C-33 <RHD>
AC310623
Connector: C-205 <LHD>
AM
Harness side
Junction block (Front view)
AC310618
Connectors: C-205 <RHD>
AL
Harness side
Junction block (Front view)
TROUBLESHOOTING
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-165
Q: Is the check result normal?
YES :
Check the harness wire for short circuit
between SRS-ECU connector C-119
(terminal No.24 <B1476> or terminal No.23
<B1477>) and junction block connector
C-205 (terminal No.24 <B1476> or terminal
No.7 <B1477>), and repair if necessary.
Then go to Step 10.
NO :
Repair or replace it. Then go to Step 10.
STEP 10. Check whether the diagnosis code is
reset.
Q: Is diagnosis code B1476 or B1477 set?
YES :
Return to Step 1.
NO :
The procedure is complete.
TROUBLESHOOTING
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-166
Code No.B1488: Passenger’s Air Bag Off Indicator Lamp Drive Circuit System Fault 2.
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
SRS-ECU
IGNITION
SWITCH (IG1)
PASSENGER'S
AIR BAG OFF
INDICATOR LAMP
RELAY
BOX
TAIL LAMP
RELAY
FRONT-ECU
Air Bag Off Indicator Lamp Drive Circuit <LH drive vehicles>
TROUBLESHOOTING
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-167
CAUTION
If diagnosis code B1488 is set in the SRS-ECU,
always diagnose the CAN main bus line.
OPERATION
• Power for the passenger’s air bag OFF indicator
lamp is supplied from the ignition switch (IG1).
• The passenger’s air bag off indicator lamp
illuminates when the ignition switch is turned to
the "ON" position and goes out after
approximately 7 seconds if there is not a
malfunction in the SRS system.
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
SRS-ECU
IGNITION
SWITCH (IG1)
PASSENGER'S
AIR BAG OFF
INDICATOR LAMP
RELAY
BOX
TAIL LAMP
RELAY
FRONT-ECU
Air Bag Off Indicator Lamp Drive Circuit <RH drive vehicles>
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