Troubleshooting

146 RENR2696-01
Troubleshooting Section
Test Step 8. Check Individual Pin
Retention into the Socket.
g00640220
Illustration 63
Pin retention of the connec tor
(1) Contact point (2) Contact of the socket
Note: This is especially important for intermittent
faults.
A. Use a new pin. Insert the pin into each socket one
atatimeinordertocheckforagoodgriponthe
pin by the socket.
B. Use a new socket. Insert the socket over each pin
one at a time in order to check for a good grip on
thepinbythesocket.Thepinsarelocatedonthe
mating side of the connector.
C. The contact terminal should stay connected when
the connector is held in the position shown in
Illustration 63. The contact terminal is the pin or
the socket.
Expected Result:
The pins and the sockets appear to be OK.
Results:
•
OK – STOP.
•
Not OK – Replace the terminal. STOP.
i01798200
Electrical Power Supply Circuit
- Test
System Operation Description:
Use this procedure under the following
conditions:
This procedure tests whether the correct voltage
is supplied by the wiring. Use this procedure if the
diagnostic code is logged or active.
•
253-02 Incorrect ECM Software
Note: This code can be generated by rapidly cycling
the keyswitch. If this occurs, clear the logged
diagnostic codes in order to prevent future confusion
or an incorrect diagnosis.
The electronic service tool will indicate Low Battery
Voltage if the ECM is not receiving the battery supply
voltage.
Also use this procedure if another procedure has
directed you here.
The following background information is related
to this procedure: