Honda Ridgeline. Manual — part 172
04
Partial Lock-up
14-73
TORQUE CONVERTER
CLUTCH SOLENOID
VALVE
94
90
91
TORQUE
CONVERTER
6
LA
90
91
X
90’ 91’
58
96
92
93
95
X 6
90’
96
58 97
X
92
LOCK-UP
CONTROL
VALVE
X
X
RELIEF VALVE
90
93
93
X
COOLER CHECK
VALVE
ATF COOLER
99
1
92
1
REGULATOR
VALVE
95’
LUBRICATION
CHECK VALVE
ATF PUMP
X
X
95
MODULATOR PRESSURE (6)
LS C PRESSURE (58)
FILTER
91
91’
94
LA
90
X
95
LOCK-UP
TIMING VALVE
AX
AX
LOCK-UP
SHIFT VALVE
HX
hX
TORQUE
CONVERTER
CHECK VALVE
FINAL GEAR
MAINSHAFT
COUNTERSHAFT
INTERMEDIARY
SHAFT
SECONDARY SHAFT
As the speed of the vehicle reaches the prescribed value, the torque converter clutch solenoid valve is turned ON by
the PCM to release LC pressure (LA) in the left cavity of the lock-up shift valve. Modulator pressure (6) is applied to the
right side of the lock-up shift valve, then the lock-up shift valve is moved in the left side to switch the port leading
torque converter pressure to the right side of the torque converter. Torque converter pressure (91) is applied to the
right side of the torque converter to engage the lock-up clutch. The PCM also controls A/T clutch pressure control
solenoid valve C, and LS C pressure (58) is applied to the lock-up control valve and the lock-up timing valve. When LS
C pressure (58) is lower, torque converter pressure (91) from the lock-up timing valve is lower. The torque converter
clutch is engaged partially. LS C pressure (58) increases, and the lock-up timing valve is moved to the left side to
uncover the port leading torque converter pressure to high. The torque converter clutch is then engaged securely.
Under this condition, the torque converter clutch is engaged by pressure from the right side of the torque converter;
this condition is partial lock-up.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
(cont’d)
05
Lock-up System (cont’d)
Full Lock-up
14-74
Automatic Transmission
System Description (cont’d)
TORQUE CONVERTER
CLUTCH SOLENOID
VALVE
94
90
91
TORQUE
CONVERTER
6
LA
90
91
X
90’ 91’
58
96
92
93
95
X 6
90’
96
58 97
X
92
LOCK-UP
CONTROL
VALVE
X
X
RELIEF VALVE
90
93
93
X
COOLER CHECK
VALVE
ATF COOLER
99
1
92
1
REGULATOR
VALVE
95’
LUBRICATION
CHECK VALVE
ATF PUMP
X
X
95
MODULATOR PRESSURE (6)
LS C PRESSURE (58)
FILTER
91
91’
94
LA
90
X
95
LOCK-UP
TIMING VALVE
AX
AX
LOCK-UP
SHIFT VALVE
HX
hX
TORQUE
CONVERTER
CHECK VALVE
FINAL GEAR
MAINSHAFT
COUNTERSHAFT
INTERMEDIARY
SHAFT
SECONDARY SHAFT
When the vehicle speed further increases, the PCM controls A/T clutch pressure control solenoid valve C to increase
LS C pressure (58). The LS C pressure (58) is applied to the lock-up control valve and the lock-up timing valve, and
moves them to the left side. Under this condition, torque converter back pressure is released fully, causing the torque
converter clutch to be fully engaged.
NOTE: When used, ‘‘left’’ or ‘‘right’’ indicates direction on the hydraulic circuit.
*01
SJC8A00E10400000000EAAT01
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−
−
−
Circuit Diagram - PCM A/T Control System
14-75
N36
D1
X38
N44
A5
A6
G1
*1 : ’06 model
*2 : ’07-08 models
MICU
RED
G401
SLS
A2
A13
D3 SW
BK SW
A8
YEL*
YEL/RED*
YEL/BLK
GRN
BLK
GRN
YEL/BLK
RED
BLK
WHT
WHT
3
4
6
5
WHT/BLK
WHT/BLK
IG1
BAT
ACC
BATTERY
No.22 (BAT) (120 A)
No.13 (20 A)
IGNITION SWITCH
No.23 (IG) (50 A)
UNDER HOOD FUSE/RELAY BOX
K LINE
LT BLU
A43
A31
BRN
SCS
PG2
PG1
LG1
LG2
B36
C40
B1
B43
BRN/YEL
BRN/YEL
BLK
BLK
G101
G102
*2
*1
UNDER DASH FUSE/RELAY BOX
No.32 (7.5 A)
No.18 (15 A)
No.21 (7.5 A)
No.19 (15 A)
YEL
BLK/GRN
BLK/GRN
BLK/YEL
IG1
B37
BLK/YEL
BLK/YEL
VB SOL
B2
A20
CAN L
CAN H
A36
A1
WHT
WHT
RED
RED
B1
B8
To 5 V
C6
BLU/BLK
C4
WHT
C5
RED/BLK
C7
YEL/GRN
C9
BLU
BRN
C8
G402
BLU/WHT
BRN
BLU
YEL/GRN
RED/BLK
WHT
(44P)
C
B
(44P)
(44P)
Terminal side of female terminals
A
PCM Connector Harness Terminal Locations
G102
GAUGE CONTROL MODULE
To 12 V
CPU
A10
C10
BLU/BLK
WHT
BLU/BLK
BLU/WHT
G401
BLK
BLK
1
9
2
8
3
4
7
1
10
5
A12
RED/BLK
BLU/YEL
BLK
FWD
D
ST
P
R
N
TRANSMISSION RANGE SWITCH
E
2
C17
ATP FWD
ATP 1
ATP P
ATP R
ATP N
ATP D
ATP 2
C34
G101
C31
C32
C33
C30
YEL/GRN
BLU
BRN
2
1
D
N
R
P
STARTER
CUT
RELAY
POWERTRAIN
CONTROL
MODULE (PCM)
F CAN
TRANSCEIVER
WARNING
INDICATOR
DRIVER
A/T
TEMP
TRANSMISSION
RANGE SWITCH
I/F CIRCUIT
SHIFT
POSITION
INDICATOR
DRIVER
DIMMING
CANCEL
CIRCUIT
DATA LINK
CONNECTOR
(DLC)
IG1 HOT in ON (II)
and START (III)
BRAKE
PEDAL
POSITION
SWITCH
SHIFT LOCK
SOLENOID
D3
SWITCH
ACC HOT in
ACC (I) and ON (II)
2
1
43
44
12
31
2
13
37
25
35
9
33
19
10
41
28
26
33
23
34
24 25
19
40
19
24
4
5
43
12
11
7
1
38
39
37
29
26
2
27
20
10
8
17 18
36
39
40
38
37
42
30
32
16
18
17
13 14 15
10 11
7
8
9
6
5
4
3
2
1
31
36
38
44
42
28 29
34
24
20 21 22
14
6
5
4
31
23
23
1
3
6
9
8
7
11 12
15
14
13
17 18
16
22
21
20
25
32
35
34
33
30
28
27
42
43
44
41
36
D3
(cont’d)
*02
Circuit Diagram - PCM A/T Control System (cont’d)
14-76
Automatic Transmission
System Description (cont’d)
To 5 V
SG2
NM
VCC2
C13
B39
C14
ATFT
C28
YEL/BLU
GRN/YEL
GRN/WHT
YEL/RED
1
2
GRN/YEL
BLU/YEL
C9
C20
EGR
EGRP
B30
MAP
B33
B40
B18
VCC1
NC
SG1
YEL/RED
BLU
GRN/WHT
YEL/RED
GRN/RED
GRN/WHT
1
2
3
1
2
3
2
4
3
3
2
1
BLU/RED
YEL/BLU
GRN/YEL
GRN/YEL
RED
YEL/BLU
WHT/BLK
BLK
1
6
G102
G101
(44P)
C
B
(44P)
(44P)
Terminal side of female terminals
A
PCM Connector Harness Terminal Locations
BLU/WHT
BLU/YEL
OP3SW
C15
2
3
1
4
G102
To 12 V
G101
SH A
C25
SH B
C23
SH C
C18
LC
B44
OP4SW
C16
YEL
GRN
ORN
RED
BLU/YEL
GRN/WHT
GRN
YEL
LS C
LS B
LS A
BLK
BLK
RED
BRN/WHT
GRN/RED
BLK
C19
B35
2
1
1
2
2
1
B25
3RD CLUTCH TRANSMISSION
FLUID PRESSURE SWITCH
4TH CLUTCH TRANSMISSION
FLUID PRESSURE SWITCH
SHIFT SOLENOID
VALVE A
SHIFT SOLENOID
VALVE B
SHIFT SOLENOID
VALVE C
TORQUE CONVERTER
CLUTCH SOLENOID VALVE
POWERTRAIN CONTROL
MODULE (PCM)
A/T CLUTCH
PRESSURE
CONTROL
SOLENOID
VALVE A
A/T CLUTCH
PRESSURE
CONTROL
SOLENOID
VALVE B
A/T CLUTCH
PRESSURE
CONTROL
SOLENOID
VALVE C
INPUT SHAFT
(MAINSHAFT)
SPEED SENSOR
EGR VALVE
POSITION
SENSOR
MAP
SENSOR
OUTPUT SHAFT
(COUNTERSHAFT)
SPEED SENSOR
ATF
TEMPERATURE
SENSOR
43
44
12
31
2
13
37
25
35
9
33
19
10
41
28
26
33
23
34
24 25
19
40
19
24
4
5
43
12
11
7
1
38
39
37
29
26
2
27
20
10
8
17 18
36
39
40
38
37
42
30
32
16
18
17
13 14 15
10 11
7
8
9
6
5
4
3
2
1
31
36
38
44
42
28 29
34
24
20 21 22
14
6
5
4
31
23
23
1
3
6
9
8
7
11 12
15
14
13
17 18
16
22
21
20
25
32
35
34
33
30
28
27
42
43
44
41
36
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