Page 95 of 2893
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4-46 Cruise Control
Circuit Diagram
(A/T model) 764 5 12
G504 11
3
LIGHTS
CRUISE CONTROL INDICATOR
C21
C20
C12
12 V
5V
C4
G401 3 2 C1
A20
3
2 4
1 (50 A) No. 2
No. 19 (15 A) No. 21 (15 A)
A8
A6
C43 B28 GRY
ORN
ECM/PCM A37
A36
BAT
IG1
A39
A40
C39
C3
A41
THROTTLE BODY
TP SENSOR
No. 3
(10 A)
CRUISE MAIN INDICATOR
DRIVER
GAUGE CONTROL MODULE (TACH)
No. 12
(15 A)
UNDER-HOOD FUSE/RELAY BOX
BATTERY
No. 1 (100 A)
CPU
IG1 HOT in
ON (II) and
START (III)
CABLE
REEL
CAN-
CEL RESUME/
ACCEL
CABLE
REEL
THROTTLE
ACTUATOR
BRAKE
PEDAL
POSITION
SWITCH MULTIPLEX
INTEGRATED
CONTROL UNIT
TRANSMISSION
RANGE SWITCH SET/
DECEL
CRUISE
CONTROL
MAIN
CRUISE CONTROL
DIMMING CIRCUIT
PGM-FI
MAIN
RELAY 1
ETCS
CONTROL
RELAY
UNDER-DASH
FUSE/RELAY
BOX HORN
SWITCH
CRUISE CONTROL
COMBINATION SWITCH
IGNITION
SWITCH
IG1ETCS
ETCSRLY
IGP
MRLY CANL
CANH
BKSWNC
BKSW
TPSB
TPSA
VCC3
ETCSM
NC ATPFWD SG3
ETCSM
CRMTCLS
D8
H1 F9 F6 F5 E1
3
6
19101114
OUTPUT SHAFT
(COUNTERSHAFT)
SPEED SENSOR CLUTCH
PEDAL
POSITION
SWITCH No. 14 (7.5 A) FUSE
(UNDER-DASH
FUSE/RELAY BOX)
YEL
WHT BLU
YEL
LT BLU
BLK LT GRN ORN RED
LT GRN BRN ORN GRN WHT WHT
YEL RED
5V
BLU/WHT LT BLU BLU/YEL BLU
BLU/RED
GRN/YEL GRN RED/BLK RED/BLU
BLK
WHT
D2
F5 42 31
32
41 1
10
679 8 2
21 18 C101
(M/T model) CANL CANH
19
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Page 339 of 2893
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ECM/PCM Electrical Connections
11-16Fuel and Emissions Systems
System Description (cont’d)
IGNITION
SWITCH
IG1
ST B
IG2
IG1 HOT in ON (II)
and START (III) IGNITION COIL
RELAY
ELD PGM-FI MAIN
RELAY 2 (FUEL PUMP)P
FUEL PUMP
PGM-FI MAIN
RELAY 1
BATTERY A/C CONDENSER
FAN RELAYRADIATOR
FAN RELAY
A/C COMPRESSOR
CLUTCH RELAY
To
COOLING
FAN CONTROL
RELAY E
A8 IGPC36 IG1
A14 ACC
A5 FANH A23 ELD
A4 FANL GF
C
B
D
A
PG1 B36PG2 B1
MRLY A6
IMOFPR A15
SUBRLY A21
ETCSRLY A20 STARTER CUT
RELAY (ST CUT)
PGMETCS C2 PGM-FI
SUBRELAY
ETCS CONTROL
RELAY
I
IG1ETCS C1
ECM/PCM
CLUTCH
INTERLOCK
SWITCH
H
J*2
*1
T
*3
*1: A/T
*2: M/T
*3: K20Z3 engine
UNDER-HOOD
FUSE/RELAY BOX:
No. 1 MAIN FUSE (100 A)
No.19FIMAIN(15A)
No. 2 IG MAIN (50 A)
No. 23 BACK UP (10 A)
No. 12 STOP & HORN
(15 A) No. 18 IG COIL (15 A)
UNDER-DASH
FUSE/RELAY BOX: No. 3 ALTERNATOR
(10 A) No. 2 FUEL PUMP (15 A)
No. 36 IG2 HAC (A/C)
(10 A)
UNDER-HOOD
FUSE/RELAY BOX: No.15OILLVL(7.5A)
No. 11 FI SUB (15 A)
No. 21 DBW (THROTTLE
ACTUATOR CONTROL) (15 A)
08/08/21 14:12:37 61SNR030_110_0016
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Page 381 of 2893
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ECM/PCM Circuit Diagram (K20Z2 engine) (cont’d)
11-58Fuel and Emissions Systems
System Description (cont’d)
Z
C36 IG1
A44 S-NET5V
A15
IMOFPR
A31
SCS
A40
BKSW BLK/GRN
C101 2
MICU
V
PGM-FI MAIN
RELAY 2
(FUEL PUMP)
UNDER-DASH FUSE/RELAY BOX
F5
YEL
F8
PNK
F10
BRN
F11
BRN
F24
BRN
F25
LT GRN
F30
LT GRN
F31
WHT
F29
G2
ORN
G4
ORN
BRN
G16
WHT
G20
WHT
Q1
WHT
Q5
ORN
Q8
LT BLU
E9
GRN
E27
YEL
IG2
B IG1
D1
WHT
D2
BLU
C3
ORN
C1
YEL
3
AD
ST
AC
AB
O
ORN
AE
AA
YW
X
ST6
4
1
R
IGNITION SWITCH FUEL PUMPP
2
4
BLK E28
G601
IG1 HOT in ON (II)
and START (III) YEL
G12 STARTER
CUT RELAY
(ST CUT)
22
UNDER-HOOD FUSE/RELAY BOX: No. 21 DBW (THROTTLE
ACTUATOR CONTROL) (15 A) No. 18 IG COIL (15 A)
No.19FIMAIN(15A)
No.11FISUB(15A)
No.15OILLVL(7.5A)
No. 2 IG MAIN (50 A)
No. 23 BACK UP (10 A)
No.12STOP&HORN(15A)
No. 1 MAIN FUSE (100 A)
UNDER-DASH FUSE/RELAY BOX: No. 3 ALTERNATOR (10 A)
No. 2 FUEL PUMP (15 A)
No. 36 IG2 HAC (A/C) (10 A)
No. 10 METER (7.5 A)
08/08/21 14:13:53 61SNR030_110_0058
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Page 391 of 2893
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ECM Circuit Diagram (K20Z3 engine) (cont’d)
11-68Fuel and Emissions Systems
System Description (cont’d)
PGM-FI MAIN
RELAY 2
(FUEL PUMP)
UNDER-DASH FUSE/RELAY BOX
STARTER
CUT RELAY
(ST CUT)
F5
YEL
F8
PNK
F10
BRN
F11
BRN
F24
F25
LT GRN
F30
LT GRN
F31
WHT
F29
G2
ORN
G4
ORN
G12
BRN
G16
WHT
G20
WHT
Q1
WHT
Q5
ORN
Q8
LT BLU
E9
GRN
E27
YEL
IG2
B IG1
D1
WHT
D2
BLU
C3
ORN
C1
YEL
3 UOPY
V
X
C36 IG1
A44 S-NET5V
A15 IMOFPR
A31
SCS
A40
BKSW
G401 BLK/GRN
C101 2
BLK
TRS
ST6
4
1
M
IGNITION SWITCH MICU
FUEL PUMP P
2
4
BLK
1
2
CLUTCH
INTERLOCK
SWITCH ZW
Clutch pedal pressed: closed
Clutch pedal released: open
IG1 HOT in ON (II)
and START (III)
ORN
G601BRN
22
UNDER-HOOD FUSE/RELAY BOX:
No. 21 DBW (THROTTLE
ACTUATOR CONTROL) (15 A) No. 18 IG COIL (15 A)
No.19FIMAIN(15A)
No.11FISUB(15A)
No.15OILLVL(7.5A)
No. 2 IG MAIN (50 A)
No. 23 BACK UP (10 A)
No.12STOP&HORN(15A)
No. 1 MAIN FUSE (100 A)
UNDER-DASH FUSE/RELAY BOX: No. 3 ALTERNATOR (10 A)
No. 2 FUEL PUMP (15 A)
No. 36 IG2 HAC (A/C) (10 A)
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Page 634 of 2893
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11-308Idle Control System
Brake Pedal Position Switch Signal Circuit Troubleshooting
ECM/PCM CONNECTOR A (44P)
BKSW (LT GRN)
1. Turn the ignition switch to ON (II).
2. Check the BRAKE SWITCH in the DATA LIST withthe HDS.
Go to step 3.
Inspect the brake pedal position switch
(see page 19-6).
3. Press the brake pedal while checking the BRAKE SWITCH in the DATA LIST with the HDS.
The brake pedal position switch signal circuit
(BKSW line) is OK.
Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. Jump the SCS line with the HDS.
6. Disconnect the brake pedal position switch 4P connector.
7. Disconnect ECM/PCM connector A (44P). 8. Check for continuity between ECM/PCM connector
terminal A40 and body ground.
Repair short in the wire between the ECM/
PCM (A40) and the No. 12 HORN/STOP (15 A) fuse.
Also, replace the No. 12 HORN/STOP (15 A) fuse.
Go to step 9.
Terminal side of female terminals
Does it indicate OFF?
Does i t change t o ON ? Is there continuity?
08/08/21 14:29:37 61SNR030_110_0308
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Page 635 of 2893
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11-30911-309
Idle Speed Inspection
BRAKE PEDAL POSITION SWITCH
4P CONNECTOR
BKSW
(LT GRN)JUMPER WIRE
ECM/PCM CONNECTOR A (44P) BKSW (LT GRN) A
9. Connect brake pedal position switch 4P connector
terminal No. 2 to body ground with a jumper wire.
10. Check for continuity between ECM/PCM connector terminal A40 and body ground.
Repair open in the wire between the brake
pedal position switch and the No. 12 HORN/STOP
(15 A) fuse. Also, inspect the brake pedal position
switch (see page 19-6).
Repair open in the wire between the ECM/
PCM (A40) and the brake pedal position switch. NOTE:
Before checking the idle speed, check these items: – The malfunction indicator lamp (MIL) has not been reported on, and there are no DTCs.
– Ignition timing
– Spark plugs
– Air cleaner
– PCV system
Apply the parking brake, and make sure the headlights are off.
1. Disconnect the evaporative emission (EVAP) canister purge valve connector (see step 5 on page
11-409).
2. Connect the HDS to the data link connector (DLC) (A) located under the driver’s side of the dashboard.
3. Make sure the HDS communicates with the ECM/ PCM. If it doesn’t, go to the DLC circuit
troubleshooting (see page 11-204).
(cont’d)
Wire side of female terminals
Terminal side of female terminals
Is there continuity?
08/08/21 14:29:38 61SNR030_110_0309
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Page 636 of 2893
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11-30911-309
Idle Speed Inspection
BRAKE PEDAL POSITION SWITCH
4P CONNECTOR
BKSW
(LT GRN)JUMPER WIRE
ECM/PCM CONNECTOR A (44P) BKSW (LT GRN) A
9. Connect brake pedal position switch 4P connector
terminal No. 2 to body ground with a jumper wire.
10. Check for continuity between ECM/PCM connector terminal A40 and body ground.
Repair open in the wire between the brake
pedal position switch and the No. 12 HORN/STOP
(15 A) fuse. Also, inspect the brake pedal position
switch (see page 19-6).
Repair open in the wire between the ECM/
PCM (A40) and the brake pedal position switch. NOTE:
Before checking the idle speed, check these items: – The malfunction indicator lamp (MIL) has not been reported on, and there are no DTCs.
– Ignition timing
– Spark plugs
– Air cleaner
– PCV system
Apply the parking brake, and make sure the headlights are off.
1. Disconnect the evaporative emission (EVAP) canister purge valve connector (see step 5 on page
11-409).
2. Connect the HDS to the data link connector (DLC) (A) located under the driver’s side of the dashboard.
3. Make sure the HDS communicates with the ECM/ PCM. If it doesn’t, go to the DLC circuit
troubleshooting (see page 11-204).
(cont’d)
Wire side of female terminals
Terminal side of female terminals
Is there continuity?
08/08/21 14:29:38 61SNR030_110_0309
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Page 1335 of 2893
17-13
A
5. Install the steering joint cover (A).
6. Install the steering wheel (see page 17-8), and thedriver’s airbag (see page 24-188).
7. Install the column covers (see page 17-9).
8. Install the driver’s dashboard undercover (see page 20-103). 9. Do the battery terminal reconnection procedure
(see page 22-68), and do these tasks:
Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds
and then goes off.
Make sure the horn and turn signal switches work properly.
Make sure the steering wheel switches work properly.
10. After installation, do these checks: Check the steering wheel spoke angle. If thesteering spoke angles to the right and left are not
equal (steering wheel and rack are not centered),
correct the engagement of the joint/pinion shaft
splines.
Set the steering column to the center tilt position, and to the center telescopic position, then do the
front toe inspection (see page 18-5).
08/08/21 14:53:18 61SNR030_170_0014
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