Page 937 of 2543
Check ABS solenoid relay.
Check for open and short in harness and connector between ABS sole-
noid relay and ABS ECU (See page IN±30).
Replace ABS control relay.
Repair or replace harness or connector.
Check continuity between each terminal of ABS
solenoid relay shown below.
(1) Apply battery voltage between terminals
(A9) 1 and (A8) 3.
(2) Check continuity between each terminal of
ABS solenoid relay shown below.
Terminals
Terminals
Terminals
1 and
5 and
2 and
Continuity
Continuity (Reference
value 80 )
Open
Terminals
Terminals
5 and
2 andContinuity
Open
If the same code is still output after the diagnostic trouble code is deleted, check the contact condi-
tion of each connection.
If the connections are normal, the ECU may be defective.
BR±68± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)
Page 938 of 2543
Check voltage between terminals 1 and 2 of R/B No. 5 (for ABS solenoid
relay).
Check continuity between terminal 3 of R/B No.5 (for ABS solenoid
relay) and terminal (A20) 21 of ABS & TRAC ECU.
Check and repair harness or connector.
Repair or replace harness or ABS connector.
Remove ABS solenoid relay from R/B No. 5.
Measure voltage between terminals 1 and 2 of R/B
No. 5 (for ABS solenoid relay).
Voltage: 10 Ð 14 V
Check continuity between terminal 3 of R/B No.5
(for ABS solenoid relay) and terminal (A20) 21 OF
ABS & TRAC ECU.
Continuity
HINT: There is a resistance of 4 ~ 6 between terminals
(A6) 4 and (A7) 2 of ABS actuator.
INSPECTION PROCEDURE (w/ TRAC)
± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)BR±69
Page 939 of 2543
Replace ABS solenoid relay.
Repair or replace harness or connector.
Check ABS solenoid relay.
Remove solenoid relay from R/B No. 5.
Check continuity between each terminal of ABS
solenoid relay shown below.
1. Apply battery voltage between terminals 4
and 6.
2. Check continuity between each terminal of
ABS solenoid relay shown below.
Check for open and short in harness and connector between ABS solenoid
relay and ABS & TRAC ECU (See page IN±30).
Terminals 1 and 3
Continuity
Continuity
(Reference value 80 )
Open
Terminals 2 and 3
Terminals 4 and 6
Terminals 2 and 3
Terminals 1 and 3Continuity
Open
If the same code is still output after the diagnostic trouble code is deleted, check the contact condi-
tion of each connection.
If the connections are normal, the ECU may be defective.
BR±70± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)
Page 940 of 2543
EFEF
DTC 13 14 ABS Motor Relay Circuit
CIRCUIT DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS is activated, the ECU switches
the motor relay ON and operates the ABS pump motor.
DTC No. Diagnostic Trouble Code Detecting Condition Trouble area
13
Conditions (1) and (2) continue for 0.2 sec.
or more:
(1) ABS motor relay terminal (MR)
voltage: Battery positive voltage
(2) Motor relay monitor terminal (MT)
voltage: O V
ABS motor relay
Open or short in ABS motor relay circuit
ECU
14
Conditions (1) and (2) continue for 4 sec. or
more:
(1) ABS motor relay terminal (MR)
voltage: O V
(2) Motor relay monitor terminal (MT)
voltage: Battery positive voltage
ABS motor relay
B+ short in ABS motor relay circuit
ECU
Fail safe function: If trouble occurs in the motor relay circuit, the ECU cuts off the current to the solenoid relay
and prohibits ABS control.
± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)BR±71
Page 941 of 2543
BR±72± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)
Page 942 of 2543
Check and repair harness or connector.
Disconnect the ABS motor relay connector.
Measure voltage between terminal (A8) 1 of ABS
motor relay connector and body ground.
Voltage: 10 Ð 14 V
Check continuity between terminal (A8) 2 of ABS motor relay connector
and terminal (A19) 6 of ABS ECU.
Repair or replace harness or ABS actuator.
Disconnect the connectors from the ABS actuator.
Check continuity between terminal (A8) 2 of ABS
motor relay connector and terminal (A19) 6 of ABS
ECU.
Continuity
There is a resistance of 4 ~ 6 between terminals
(A6) 3 and (A7) 5 of ABS actuator.
Check voltage between terminal (A8) 1 of ABS motor relay connector and
body ground.
INSPECTION PROCEDURE (w/o TRAC)
± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)BR±73
Page 943 of 2543
Check continuity between each terminal of ABS
motor relay shown below.
Check ABS motor relay.
(1) Apply battery voltage between terminals
(A8) 3 and (A8) 4.
(2) Check continuity between each terminal of
ABS motor relay shown below.
Replace ABS control relay.
Check for open and short in harness and connector between ABS motor
relay and ABS ECU (See page IN±30).
Repair or replace harness or connector.
Terminals
Terminals
3 and
1 and
4
2
Continuity (Reference
value 62 )
Open
Terminals1 and2Continuity
If the same code is still output after the diagnostic trouble code is deleted, check the contact
condition of each connection.
If the connections are normal, the ECU may be defective.
BR±74± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)
Page 944 of 2543
Remove ABS motor relay from R/B No. 5.
Measure voltage between terminal 1 of R/B No. 5
(for ABS motor relay) and body ground.
Voltage: 10 Ð 14 V
Check voltage between terminal 1 of R/B No. 5 (for ABS motor relay) and
body ground.
Repair or replace harness or ABS actuator.
Check continuity between terminal 2 of R/B No.5 (for ABS motor relay) and
terminal (A20) 9 of ABS & TRAC ECU.
Check and repair harness or connector.
Check continuity between terminal 2 of R/B No.5
(for ABS motor relay) and terminal (A20) 9 of ABS
& TRAC ECU.
Continuity
HINT: There is a resistance of 4 ~ 6 between ter±
minals (A6) 3 and (A7) 5 of ABS actuator.
INSPECTION PROCEDURE (w/ TRAC)
± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)BR±75