Electronic Control System (cont'd)

PCM A/T Control System Inputs and Outputs - K24Z3 Engine Model


PCM CONNECTOR A □ (49P)

Terminal Number
Wire Color
Terminal Name
Description
Signal
A1
WHT/RED
VB SOL (POWER SOURCE FOR SOLENOID VALVES)
Power source for solenoid valves
With ignition switch ON (II): Battery voltage
With ignition switch LOCK (0): About 0 V
A3
WHT
CAN H (CAN COMMUNICATION SIGNAL HIGH)
Sends and receives communication signal
With ignition switch ON (II): Pulses
A4
RED
CAN L (CAN COMMUNICATION SIGNAL LOW)
Sends and receives communication signal
With ignition switch ON (II): Pulses
A7
RED/BLK
MRLY (PGM-FI MAIN RELAY)
  • Drives PGM-FI main relay 1
  • Power source for DTC memory
With ignition switch ON (II): About 0 V
With ignition switch LOCK (0): Battery voltage
A9
YEL/BLK
IGP (POWER SOURCE)
Power source for PCM
With ignition switch ON (II): Battery voltage
With ignition switch LOCK (0): About 0 V
A18
YEL/BLK
APS A (ACCELERATOR PEDAL POSITION (APP) SENSOR A)
Detects APP sensor A signal
With ignition switch ON (II) and accelerator pedal fully pressed: About 4.8 V
With ignition switch ON (II) and accelerator pedal released: About 1.0 V
A19
BLK
APS B (ACCELERATOR PEDAL POSITION (APP) SENSOR B)
Detects APP sensor B signal
With ignition switch ON (II) and accelerator pedal fully pressed: About 2.4 V
With ignition switch ON (II) and accelerator pedal released: About 0.5 V
A25
BRN/WHT
VCC5 (SENSOR VOLTAGE)
Provides sensor reference voltage
With ignition switch ON (II): About 5.0 V
With ignition switch LOCK (0): About 0 V
A26
RED/BLK
VCC4 (SENSOR VOLTAGE)
Provides sensor reference voltage
With ignition switch ON (II): About 5.0 V
With ignition switch LOCK (0): About 0 V
A28
PNK
SLS (SHIFT LOCK SOLENOID)
Drives shift lock solenoid
With ignition switch ON (II), in P, brake pedal pressed, and accelerator pedal released: About 0 V
A32
ORN
SCS (SERVICE CHECK SIGNAL)
Detects service check signal
With the service check signal shorted using HDS: About 0 V
With the service check signal opened: About 5.0 V
A35
GRN
SG5 (SENSOR GROUND)
Sensor ground
Less than 0.5 V at all times
A36
BLU/RED
SG4 (SENSOR GROUND)
Sensor ground
Less than 0.5 V at all times
A42
LT GRN
BK SW (BRAKE PEDAL POSITION SWITCH)
Detects brake pedal position switch signal
With brake pedal pressed: Battery voltage
With brake pedal released: About 0 V
A47
LT BLU
SUPP (PADDLE SHIFTER + (UPSHIFT SWITCH))
Detects paddle shifter + (upshift switch) signal
With paddle shifter + (upshift switch) pulled: About 0 V
With paddle shifter + (upshift switch) released: Battery voltage
A48
PUR
SDNP (PADDLE SHIFTER − (DOWNSHIFT SWITCH))
Detects paddle shifter − (downshift switch) signal
With paddle shifter − (downshift switch) pulled: About 0 V
With paddle shifter − (downshift switch) released: Battery voltage


PCM CONNECTOR B △ (49P)

Terminal Number
Wire Color
Terminal Name
Description
Signal
B1
BLK
PG2 (PCM GROUND)
Ground circuit for PCM
Less than 0.5 V at all times
B8
BLU/RED
OP2SW (2ND CLUTCH TRANSMISSION FLUID PRESSURE SWITCH)
Detects 2nd clutch transmission fluid pressure switch signal
With ignition switch ON (II):
  • Without 2nd clutch pressure: About 5.0 V
  • With 2nd clutch pressure: About 0 V
B9
BLU/WHT
OP3SW (3RD CLUTCH TRANSMISSION FLUID PRESSURE SWITCH)
Detects 3rd clutch transmission fluid pressure switch signal
With ignition switch ON (II):
  • Without 3rd clutch pressure: About 5.0 V
  • With 3rd clutch pressure: About 0 V
B10
BLK
PG1 (PCM GROUND)
Ground circuit for PCM
Less than 0.5 V at all times
B11
BLU/BLK
SH A (SHIFT SOLENOID VALVE A)
Drives shift solenoid valve A
With engine running:
In R, D and S (1st, 4th, and 5th gears): Battery voltage
In P, N, D and S (2nd and 3rd gears): About 0 V
B12
GRN/WHT
SH B (SHIFT SOLENOID VALVE B)
Drives shift solenoid valve B
With engine running:
In P, R, N, D and S (1st and 2nd gears): Battery voltage
In D and S (3rd, 4th, and 5th gears): About 0 V
B13
RED/BLK
ATP N (TRANSMISSION RANGE SWITCH N)
Detects transmission range switch N position signal
In N: About 0 V
In any position other than N: More than about 5.0 V
B14
BLU/BLK
ATP P (TRANSMISSION RANGE SWITCH P)
Detects transmission range switch P position signal
In P: About 0 V
In any position other than P: More than about 5.0 V
B15
WHT
ATP R (TRANSMISSION RANGE SWITCH R)
Detects transmission range switch R position signal
In R: About 0 V
In any position other than R: More than about 5.0 V
B16
RED
ATP S (TRANSMISSION RANGE SWITCH S)
Detects transmission range switch S position signal
In S: About 0 V
In any position other than S: Battery voltage
B18
WHT/RED
NM (INPUT SHAFT (MAINSHAFT) SPEED SENSOR)
Detects input shaft (mainshaft) speed sensor
With ignition switch ON (II): About 0 V or about 5.0 V
With engine running in N: About 2.5 V (pulses)
B19
YEL/BLU
VCC2 (SENSOR VOLTAGE)
Provides sensor voltage
With ignition switch ON (II): About 5.0 V
With ignition switch LOCK (0): About 0 V