Silvercrest SKAS 1000 A16 Especificaciones descargar pdf (Pagina 33)

Section 2

Fault Code Diagnostics

191 14 PID BF Output shaft speed sensor #1 faulty

or both sources of vehicle speed are

inoperative.

NOTE: Output shaft speed sensor #1

is a three wire sensor that plugs into

the clutch actuator wiring harness.

It does not have convoluted tubing.

It is highly recommended that the ISO fault codes be

retrieved and used for troubleshooting instead of SAE

code PID 191 FMI 14. If the ISO fault codes are not

available, then proceed as follows.

Check the ABS, engine and VECU (if applicable) for

fault codes that pertain to the SAE J1939 data bus.

If none are found, then proceed to the next step.

Clear the faults first and switch the OSS #1 and OSS #2

connectors. Test drive the vehicle such that an OSS

code is set. If the code stays with the same speed

sensor (#1 or #2) then replace the appropriate wiring

harness (either the transmission wiring harness or the

clutch actuator). If the code switches to the other speed

sensor (from #1 to #2 or from #2 to #1), replace the

appropriate speed sensor. If these steps don’t identify

the faulty component, then do the following.

Remove and troubleshoot the clutch actuator wiring

harness. Pin 11 of the driver side TCU connector and pin

4 of the lower output shaft speed sensor connector

(sensor #1) should have continuity (resistance of 0.0 to

0.5 ohms) and not be shorted to any other circuit. If a

short or open circuit is found, replace the clutch

actuator, if not, replace the output shaft speed sensor #1.

230 14 SID E6 Permanent idle signal

NOTE: The idle switch is built into

the accelerator pedal and is

d into the engine controller, not the

transmission controller, or main

TCU. The main TCU receives the

status of the idle switch over the

SAE J1939 bus. The transmission is

receiving contradictory messages

indicating that the idle switch is

open (truck is idling) and the

accelerator pedal is pressed (truck is

not idling).

Using TransSoft, troubleshoot the idle switch and the

status of the pedal. Refer to the OEM for details should

repair work be necessary.

231 7 SID E7 Engine does not react to torque

intervention

The ECM did not react correctly to an SAE J1939

message. Follow your OEM’s SAE J1939 diagnostic

procedures to correct for a fault SAE J1939 data link.

Check for engine codes that would cause the engine to

go into derate mode.

(Fuel restriction, air restriction, high temp, low coolant

etc.)

231 11 SID E7 The SAE J1939 bus is not

functioning correctly.

Can error frames or can queue

overrun.

NOTE: The backbone of the SAE

J1939 bus is terminated at each end

with a 120 ohm resistor. Each

component communicating over the

bus must connect into the

backbone.

Due to an issue with the vehicle’s SAE J1939 data link,

the TCU did not receive an expected SAE J1939

message. Follow your OEM’s SAE J1939 diagnostic

procedures to correct the issue.

NOTE: The resistance across pins C and D of the

9 pin diagnostic connector will be about 60 ohms if

both terminating resistors are in place (120 ohms if

only one is installed).

SAE Fault Code Repair Instructions

SAE J1587 Fault

Code

Instrument

Panel

Display

Fault Code Fault Description

Repair Instructions

NOTE: The following repair instructions pertain

to active faults only. For information and

instructions about inactive faults, please

contact OnTrac at 866-668-7221 and request a

transmission specialist.Fault FMI

PID/

SID

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 191 192

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