CHECK AT ECU TERMINALS





CONNECTOR: D-02
Terminal No.
 Check items
 Check condition
 Normal condition
31
 Battery power supply
 Always
 System voltage
32 to 35
 -
 -
 -
36
 Input from water level switch
 Ignition switch: ON
 System voltage
37
 Input from parking brake switch or brake fluid level switch
  • Ignition switch: ON
  • Parking brake switch or brake fluid level switch: ON

 0 V
38, 39
 -
 -
 -
40
 Input from fuel tank gauge unit
 Always
 0 V
41
 Earth (sensor)
 Always
 0 V
42
 Power supply from ignition switch (IG1)
 Ignition switch: ON
 System voltage
43
 Input from engine oil pressure switch
 Engine: Active
 System voltage
44
 Input from seat belt switch
 Seat belt switch: ON (seat belts unfastened)
 0 V
45
 Output to ASTC-ECU (brake warning lamp)
 Ignition switch: ON
 0 V
46
 -
 -
 -
47
 Output to alternator (Charge indicator lamp)
 Engine: Active
 System voltage
48
 Output to engine coolant temperature sensor <2800>
 Ignition switch: ON
 The value depends on engine coolant temperature
49
 Output to fuel tank gauge unit
 Ignition switch: ON
 The value depends on fuel quantity <approx. 3% to 54 % of system voltage (guide line)>
50
 Output to ASTC-ECU (ABS warning lamp)
 Ignition switch: ON
 System voltage
51
 Illumination (rheostat)
 Tail lamp switch: ON
 System voltage
52
 Earth (ECU)
 Always
 System voltage <=> 0 V

CONNECTOR: D-04
Terminal No.
 Check items
 Check condition
 Normal condition
1
 2WD indicator lamp (RR)
 Transfer shift lever position: 4HLc <=> 4LLc
 System voltage <=> 1 V or less → System voltage
Transfer shift lever position: 2H <=> 4H <=> 4HLc
 System voltage
2
 2WD indicator lamp (RL)
 Transfer shift lever position: 4HLc <=> 4LLc
 System voltage <=> 1 V or less → System voltage
Transfer shift lever position: 2H <=> 4H <=> 4HLc
 System voltage
3
 4WD indicator lamp (FR)
 Transfer shift lever position: 2H
 1V or less
Transfer shift lever position: Other than the above
 1 V or less <=> System voltage
4
 4WD indicator lamp (FL)
 Transfer shift lever position: 2H
 1V or less
Transfer shift lever position: Other than the above
 1 V or less <=> System voltage
5
 4LLc indicator lamp
 Transfer shift lever position: 4LLc
 1V or less
Transfer shift lever position: Other than the above
 System voltage
6
 -
 -
 -
7
 Center differential lock lamp
 Transfer shift lever position: 2H or 4H
 System voltage
8
 Output to corner sensor-ECU
  • Ignition switch: ON
  • Sonar cancel switch: ON

 0 V
9
 -
 -
 -
10
 Output to ASTC-ECU (ASC OFF indicator lamp)
  • Ignition switch: ON
  • ASC OFF switch: ON

 0 V
11
 Output to ASTC-ECU (ASTC warning lamp)
 Ignition switch: ON
 System voltage
12
 Input from headlamp automatic leveling-ECU
Ignition switch: ON
 System voltage
13
 Output to fuel injection pump assembly (revolution pick-up sensor) <2800>
 Ignition switch: ON
 Pulse signal
14
 Input from fuel injection pump assembly (revolution pick-up sensor) <2800>
 Ignition switch: ON
 0 V
15
 Input from vehicle speed signal
 Ignition switch: ON
 System voltage <=> 0 V
16
 Power supply from ignition switch (ACC)
 Ignition switch: ACC
 System voltage
17
 Illumination (power supply)
 Tail lamp switch: ON
 System voltage
18 to 24
 -
 -
 -