Is the voltage greater than 10 volts?
Yes
GO to B2
.
No
GO to B3
.
B2: CHECK CIRCUIT SBF01A (RD) FOR VOLTAGE DROP
Ignition switch in position III.
1
Measure the voltage between starter motor
solenoid C1DC35-A-1 circuit SBF01A (RD),
component side and the battery positive terminal.
2
Is the voltage less than 2 volts?
Yes
CLEAN and TIGHTEN all battery positive cable
connections. TEST the system for normal operation.
If the concern persists, INSTALL a new starter
motor.
REFER to:
Starter Motor
(303-06A Starting System
- 2.0L Duratec-HE (107kW/145PS) - MI4/2.0L
Duratec-HE Flex Fuel (107kW/145PS) - MI4/2.3L
Duratec-HE (118kW/160PS) - MI4, Removal and
Installation) /
Starter Motor (303-06B Starting System - 2.5L
Duratec-ST (VI5), Removal and Installation) /
Starter Motor (303-06C Starting System - 1.8L
Duratorq-TDCi (Kent) Diesel, Removal and
Installation) /
Starter Motor (303-06D Starting System - 2.0L
Duratorq-TDCi (DW) Diesel, Removal and
Installation).
TEST the system for normal operation.
No
CLEAN and TIGHTEN all battery positive cables
connections. TEST the system for normal operation.
If the concern persists, INSTALL a new battery to
starter motor solenoid cable. TEST the system for
normal operation.
B3: CHECK THE STARTER RELAY CONTACT CIRCUIT FOR VOLTAGE
Disconnect Starter Relay R1.
1
Measure the voltage between the BJB starter relay
R1 connector pin 3 and ground.
2