Subaru 2009 IMPREZA Service Manual page 3133

5. CHECK TRUNK LID SWITCH (4 DOOR MODEL) OR REAR GATE LATCH SWITCH (5 DOOR
MODEL)
Step
1 CHECK INPUT FROM TRUNK LID SWITCH
OR REAR GATE LATCH SWITCH.
1) Prepare the Subaru Select Monitor kit.
2) Turn the ignition switch to ON (engine OFF)
and run the "PC application for Subaru Select
Monitor".
3) On «System Selection Menu» display,
select {Integ. unit mode}.
4) Select the {Current Data Display & Save}.
5) Select the {R Gate SW input}.
2 CHECK CIRCUIT FOR TRUNK LID SWITCH
OR REAR GATE LATCH SWITCH.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector of body
integrated unit.
3) Disconnect the harness connector of the
trunk lid switch or the rear gate latch switch.
4) Measure the resistance between harness
connector terminals.
Connector & terminal
(i84) No. 33 — (D46) No. 3: (5 door model)
(i84) No. 33 — (R186) No. 3:
(4 door model)
3 CHECK GROUND CIRCUIT OF TRUNK LID
SWITCH OR REAR GATE LATCH SWITCH.
1) Disconnect the harness connector of the
trunk lid switch or the rear gate latch switch.
2) Measure the resistance between harness
connector terminal and chassis ground.
Connector & terminal
(D46) No. 4 — Chassis ground:
(5 door model)
(R186) No. 1 — Chassis ground:
(4 door model)
4 CHECK TRUNK LID SWITCH OR REAR
GATE LATCH SWITCH.
1) Disconnect the harness connector of the
trunk lid switch or the rear gate latch switch.
2) Measure the resistance between switch ter-
minals.
Terminals
No. 4 — No. 3: (5 door model)
No. 1 — No. 3: (4 door model)
5 CHECK TRUNK LID SWITCH OR REAR
GATE LATCH SWITCH.
Measure the resistance between switch termi-
nals.
Terminals
No. 4 — No. 3: (5 door model)
No. 1 — No. 3: (4 door model)
Security System
Check
Is the input signal present when
opening the trunk lid or rear
gate?
Is the resistance less than 10 ? Go to step 3.
Is the resistance less than 10 ? Go to step 4.
Is the resistance 1 M or more
when switch is pushed?
Is the resistance less than 1
when switch is released?
SL-29
SECURITY AND LOCKS
Yes No
The trunk lid switch Go to step 2.
or rear gate latch
switch circuit is
OK.
Repair or replace
the harness.
Repair or replace
the harness.
Go to step 5. Replace the trunk
lid latch and actua-
tor assembly or
rear gate latch and
actuator assembly.
Check body inte- Replace the trunk
grated unit. <Ref. lid latch and actua-
to LAN(diag)-2, tor assembly or
Basic Diagnostic rear gate latch and
Procedure.> actuator assembly.