Diesel Data: Automotive Repair

C1300








ANTI-LOCK BRAKE SYSTEM: C1300/62: Skid Control ECU Malfunction

DTC C1300/62 - Skid Control ECU Malfunction

DESCRIPTION





INSPECTION PROCEDURE

PROCEDURE

1. RECONFIRM DTC
(a) Clear the DTCs (ABS (Antilock Brake System)).
(b) Turn the ignition switch to the ON position.
(c) Check if the same DTCs are recorded.
Result:





B -- REPAIR CIRCUIT INDICATED BY OUTPUT DTC
A -- Continue to next step.
2. INSPECT SKID CONTROL ECU CONNECTOR (IG1 TERMINAL VOLTAGE)
(a) WHEN USING TECHSTREAM:
(1) Connect Techstream to the DLC3.
(2) Start the engine.
(3) Select the Data List mode on Techstream.

ABS / VSC / TRAC:





(4) Read the voltage condition output from the ECU displayed on Techstream.
OK:
"Normal" is displayed.
(b) WHEN NOT USING TECHSTREAM:





(1) Disconnect the skid control ECU connector.
(2) Turn the ignition switch to the ON position.
(3) Measure the voltage according to the value(s) in the table below.
Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. INSPECT SKID CONTROL ECU CONNECTOR (GND TERMINAL CONTINUITY)





(a) Disconnect the skid control ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- CHECK AND REPAIR HARNESS AND CONNECTOR
OK -- REPLACE BRAKE ACTUATOR ASSEMBLY