SLIP INDICATOR LIGHT CIRCUIT - Highlander Club

DIAGNOSTICS
SLIP INDICATOR LIGHT CIRCUIT
-
ABS WITH EBD & BA & TRAC & VSC SYSTEM
05-863
05CDK-07
CIRCUIT DESCRIPTION
The SLIP indicator blinks during TRAC & VSC operation.
WIRING DIAGRAM
ECM
TRC-
TRC+
ENG-
ENG+
Skid Control ECU with Actuator
31
19
22
G
Y-B
E5
IC4
S27 TRC-
25
7 8
Y
G-B
E5 IC4 S27 TRC+
30
18
23
R
W-G
E5 IC4 S27 ENG-
24
5
9
V
W-L
E5 IC4 S27 ENG+
MPX1
MPX2
18
E6
29
E6
MPX
System
21
C11
9
C12
Combination Meter
Slip
1
C11
P
I15
Ignition SW
2 AM1 IG1 4
FL MAIN
G
W
7 HEATER 13 4
7
B
1C 1K 3A 3C
6
1C
Instrument Panel J/B
2
AM1
W
1
1
1A
1
F7
FL Block
ALT
Center J/B
B
2
Battery
F46302
Author:
Date:
1053

05-864
DIAGNOSTICS
-
ABS WITH EBD & BA & TRAC & VSC SYSTEM
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 when using the hand-held tester and start from step 2 when not using the
hand-held tester.
1 PERFORM ACTIVE TEST BY HAND-HELD TESTER(SLIP INDICATOR LIGHT)
(a) Connect the hand-held tester to the DLC3.
(b) Start the engine.
(c) Select the item ”SLIP INDI LIGHT” in the ACTIVE TEST and operate the SLIP indicator light on the
hand-held tester.
Item Vehicle Condition / Test Details Diagnostic Note
SLIP INDI LIGHT
Turns SLIP indicator light ON / OFF
Observe combination meter
(d) Check that ”ON” and ”OFF” of the SLIP indicator light are indicated on the combination meter when
using the hand-held tester.
OK:
Turn the SLIP indicator light on or off in accordance with the hand-held tester.
OK
NG Go to step 2
REPLACE ABS & TRACTION ACTUATOR ASSY (SEE PAGE 32-37 )
2 INSPECT MULTIPLEX COMMUNCATION SYSTEM (SEE PAGE 05-2040 )
OK
NG REPAIR MULTIPLEX COMMUNCATION
SYSTEM
Author:
Date:
1054

DIAGNOSTICS
-
ABS WITH EBD & BA & TRAC & VSC SYSTEM
05-865
3 CHECK HARNESS AND CONNECTOR(ECM - SKID CONTROL ECU)
Skid Control ECU S27
(harness side connector) ENG+
TRC+
TRC- ENG-
ECM
F44428
F45165
E5
ENG+
TRC+
TRC-
ENG-
F45351
(a)
(b)
(c)
Disconnect the skid control ECU connector S27 and ECM
connector E5.
Measure the resistance according to the value(s) in the
table below.
Standard:
Tester Connection
S27-8 (TRC+) - E5-25 (TRC+)
S27-22 (TRC-) - E5-31 (TRC-)
S27-9 (ENG+) - E5-24 (ENG+)
S27-23 (ENG-) - E5-30 (ENG-)
Specified Condition
Below 1 Ω
Measure the resistance according to the value(s) in the
table below.
Standard:
Tester Connection
S27-8 (TRC+) - Body ground
S27-22 (TRC-) - Body ground
S27-9 (ENG+) - Body ground
S27-23 (ENG-) - Body ground
Specified Condition
10 kΩ or higher
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
4 INSPECT COMBINATION METER ASSEMBLY(SLIP INDICATOR LIGHT)
(SEE PAGE 05-1868 )
NG
REPAIR OR REPLACE COMBINATION METER
ASSEMBLY
OK
REPLACE ABS & TRACTION ACTUATOR ASSY (SEE PAGE 32-37 )
Author:
Date:
1055