LEMON Manuals: Even more car manuals for everyone
Home >> Mitsubishi >> 2007 >> Galant DE >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> Chassis Electrical >> Ignition Switch >> Immobilizer System Diagnosis >> Check At ETACS-Ecu (Immobilizer-Ecu) Terminal

Check At ETACS-Ecu (Immobilizer-Ecu) Terminal

Fig 1: Identifying ETACS-ECU (Immobilizer-ECU) Connector Terminals
G05105022Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
NOTE: *:The terminal No. 1 to 20 connectors cannot be measured as the ETACS-ECU is installed directly on the junction block. Therefore, this information is only for reference.
ETACS-ECU (IMMOBILIZER-ECU) CONNECTOR TERMINALS INSPECTION CHART

TERMINAL NO. INSPECTION ITEM INSPECTION CONDITION NORMAL VALUE
1 Output to power window relay When the power windows can work Battery positive voltage
2 Battery positive voltage (for central door lock) Always Battery positive voltage
3 Ground (for ECU) Always 0 V
4 Power supply to ignition switch (ACC) Ignition switch: "ACC" Battery positive voltage
5 Output to dome light When dome light is on 2 V or less
6 Power supply to interior light Always (when interior light shutoff function is not operating) Battery positive voltage
7 Input from rear door switch (LH) Rear door switch (LH): ON (rear door (LH) open) 0 V
8 Power supply to ignition switch (IG1) Ignition switch: "ON" Battery positive voltage
9 Output to turn-signal light (RH) When turn-signal light (RH) is on Battery positive voltage
10 Input from driver's door switch Driver's door switch: ON (driver's door open) 0 V
11 Battery power supply for turn-signal light Always Battery positive voltage
12 Output to door lock When door lock actuator is operating (doors locked) Battery positive voltage
13 Output to door unlock (excluding driver's door) When door lock actuator is operating (doors unlocked) Battery positive voltage
14 Output to turn-signal light (LH) When turn-signal light (LH) is on Battery positive voltage
15 - 17 - - -
18 Power supply to ignition switch (ACC) Ignition switch: "ACC" Battery positive voltage
19 - - -
20 Battery power supply (for ECU) Always Battery positive voltage
21 - - -
22 Output to door unlock (for driver's door) When driver's door lock actuator is operating (doors unlocked) Battery positive voltage
23 - - -
24 Input of hood switch signal Hood switch: ON (hood switch: Open) 0 V
25 Input of door lock key cylinder switch (UNLOCK) signal Door lock key cylinder switch: UNLOCK 0 V
26 - 28 - - -
29 Input of rear door lock actuator (UNLOCK) signal Rear door lock actuator: UNLOCK 0 V
30 Input of key reminder switch signal Key reminder switch: ON (when ignition key is removed) 0 V
31, 32 - - -
33 Input of door lock switch (LOCK) signal Door lock switch (incorporated in power window switch): LOCK 0 V
34 Input of door lock switch (UNLOCK) signal Door lock switch (incorporated in power window switch): UNLOCK 0 V
35 Input from rear door switch (RH) Rear door switch (RH): ON (rear door (RH) open) 0 V
36 Input of driver's door lock actuator (UNLOCK) signal Driver's door lock actuator: UNLOCK 0 V
37 Input from trunk lid latch assembly Trunk lid latch: ON (trunk open) 0 V
38 Ground (for sensor) Always 0 V
39 - 41 - - -
42 Input of door lock key cylinder switch (LOCK) signal Door lock key cylinder switch: LOCK 0 V
43 Input of front passenger's door lock actuator (UNLOCK) signal Front passenger's door lock actuator: UNLOCK 0 V
44 Output to horn relay When a horn sounds by the keyless entry horn answerback function 2 V or less
45 - 50 - - -
51 Output to data link connector When DTC sets 0 - 12 V (pulse signal)
When input check signal is output 0 - 12 V (when input pulse signal is fluctuating)
52, 53 - - -
54 Input of fog light switch signal Fog light switch: ON 0 V
55 Input of hazard warning light switch signal Hazard warning light switch: ON (When the switch is depressed) 0 V
56 Ground (for sensor) Always 0 V
57 Output of key ring antenna signal Always 0 V
58 Input of key ring antenna signal Always 0 V
59 SWS communication line Always 0 - 12 V (pulse signal)
60 Output to immobilizer indicator light When immobilizer indicator light is on Battery positive voltage
61 - 64 - - -
65 Input from front passenger's door switch Front passenger's door switch: ON (front passenger's door open) 0 V
66 Input of signal from variable intermittent wiper control switch Ignition switch: "ACC," Variable intermittent wiper control switch: "FAST" to "SLOW" 0 → 2.5 V
67 Input of diagnosis indication selection When scan tool is connected 0 V
68 Output of data request signal Always 0 - 12 V (pulse signal)
69 Output to ignition key hole illumination light When ignition key hole illumination light is on 0 V
70 - - -
71 Power supply to interior light Always (when interior light shutoff function is not operating) Battery positive voltage
72 - 73 - - -
74 Input of theft-alarm indicator signal When theft-alarm indicator light is on 2 V or less