
100 RENR5622
Troubleshooting Section
Results:
•
OK – The harness and wiring are OK. Proceed
to Test Step 2.
•
Not OK – There is a problem in the connectors
and/or wiring.
Repair: Repair the connectors or wiring and/or
replace the connectors or wiring. Ensure that all of
the seals are p
roperly in place and ensure that the
connectors are completely coupled.
Verify that t
he repair eliminates the problem.
STOP.
Test Step 2. Check the Ether Canisters
A. Turn the keysw
itch to the OFF position.
B. Remove the ether canister(s) from the ether
solenoid(s)
. Verify that the ether canister is full.
Expected Result:
The ether canister is full.
Results:
•
OK – The ether canister is full. Proceed to Test
Step 3.
•
Not OK – An ether canister is empty.
Repair: Replace the empty ether canister with
a full ether canister. Verify that the system is
operating c
orrectly.
STOP.
Test Step 3. Check for Active Diagnostic
Codes
Note: Remov
e the ether canister(s) from the ether
solenoid(s) before proceeding with the following test
steps.
A. Connect Caterpillar Electronic Technician (ET) to
the cab service tool connector. Start Cat ET.
B. Turn the k eyswitch to the ON position.
C. To ggle t he
starting aid switch. Observe the
parameter for the starting aid switch on Cat ET.
D. Determine
if CID-FMI 545-05, 545-06, 546-05 or
546-06 is active or logged.
Expected Result:
The parameter for the starting aid switch displays
“ON” while the starting aid switch is toggled. The
parameter for
the starting aid switch displays “OFF”
whenthestartingaidswitchisreleased.Anactive
diagnostic code is present or a logged diagnostic
code is prese
nt.
Results:
•
OK - Active Code – The parameter for the starting
aid switch displays “ON” while the starting aid
switch is tog
gled. The parameter for the starting aid
switch displays “OFF” when the starting aid switch
is released. Active diagnostics are displayed. Make
anoteofthea
ctive diagnostic code. Proceed to
Test Step 4.
•
OK - Logged C
ode – The parameter for the starting
aid switch displays “ON” while the starting aid
switch is toggled. The parameter for the starting aid
switch dis
plays “OFF” when the starting aid switch
is released. Logged diagnostics are displayed.
Repair: Ch
eck for an intermittent short or for
an open in the wiring or in the connectors.
Refer to Troubleshooting, “Inspecting Electrical
Connector
s”. Repair any suspect connectors or
wiring and/or replace the connectors or wiring.
Verify that the system is operating correctly.
Replace t
he ether canister on the ether solenoid.
STOP.
•
OK - No Codes – The parameter for the starting
aid switch displays “ON” while the starting aid
switch is
toggled. The parameter for the starting
aid switch displays “OFF” when the starting aid
switch is released. No diagnostics are logged or
active.
The ether system is not injecting ether.
ProceedtoTestStep8.
•
Not OK – T
he parameter for the starting aid switch
does not display “ON” while the starting aid switch
is toggled. The parameter for the starting aid
switch d
oes not display “OFF” when the starting
aid switch is released. The starting aid switch is not
functioning correctly. Proceed to Test Step 12.
Test Step 4. Switch the Relays in order to
Isolate the Problem
A. Turn th
e keyswitch to the OFF position.
B. Remove the ether start relay and the ether hold
relay.
Replace the ether start relay in the base for
the ether hold relay. Replace the ether hold relay
in the base for the ether start relay.
C. Turn the keyswitch to the ON position.