Dodge Caliber. Manual — part 933
3.
(K612) FUEL INJECTOR 2 LOW-SIDE CONTROL CIRCUIT SHORTED TO VOLTAGE
NOTE: The jumper wire should still be in place.
Measure the voltage of the (K612) Fuel Injector 2 Low-Side Control cir-
cuit in the Fuel Injector 2 harness connector.
Is there any voltage present?
Yes
>> Repair the (K612) Fuel Injector 2 Low-Side Control circuit
for a short to voltage.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
No
>> Go to 4
4.
(K663) FUEL INJECTOR HIGH-SIDE COMMON CIRCUIT SHORTED TO GROUND
Turn the ignition off.
Remove the jumper wire in the Main Relay Connector.
Measure the resistance between ground and the (K663) Fuel Injector
High-Side Common circuit in the Fuel Injector 2 harness connector.
Is the resistance above 1000 ohms?
Yes
>> Go to 5
No
>> Repair the (K663) Fuel Injector High-Side Common circuit
for a short to ground.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
5.
(K612) FUEL INJECTOR 2 LOW-SIDE CONTROL CIRCUIT SHORTED TO GROUND
Measure the resistance between ground and the (K612) Fuel Injector 2
Low-Side Control circuit in the Fuel Injector 2 harness connector.
Is the resistance above 1000 ohms?
Yes
>> Go to 6
No
>> Repair the (K612) Fuel Injector 2 Low-Side Control circuit
for a short to ground.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
PM
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1019
6.
(K663) FUEL INJECTOR HIGH-SIDE COMMON CIRCUIT SHORTED TO (K612) FUEL INJECTOR 2
LOW-SIDE CONTROL CIRCUIT
Measure the resistance between the (K663) Fuel Injector High-Side
Common circuit and the (K612) Fuel Injector 2 Low-Side Control circuit
in the Fuel Injector 2 harness connector.
Is the resistance above 1000 ohms?
Yes
>> Go to 7
No
>> Repair the (K663) Fuel Injector High-Side Common circuit
for a short to the (K612) Fuel Injector 2 Low-Side Control
circuit.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
7.
(K663) FUEL INJECTOR HIGH-SIDE COMMON CIRCUIT OPEN OR HIGH RESISTANCE
Measure the resistance of the (K663) Fuel Injector High-Side Common
circuit between the Fuel Injector 2 harness connector and the Engine
Control Module harness connector.
Is the resistance below 10.0 ohms?
Yes
>> Go to 8
No
>> Repair the (K663) Fuel Injector High-Side Common circuit
for an open circuit or high resistance.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
9 - 1020
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
PM
8.
(K612) FUEL INJECTOR 2 LOW-SIDE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
Measure the resistance of the (K612) Fuel Injector 2 Low-Side Control
circuit between the Fuel Injector 2 harness connector and the Engine
Control Module harness connector.
Is the resistance below 10.0 ohms?
Yes
>> Replace Fuel Injector 2 in accordance with the Service
Information.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
No
>> Repair the (K612) Fuel Injector 2 Low-Side Control circuit
for an open circuit or high resistance.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
PM
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1021
P0203-FUEL INJECTOR 3 CIRCUIT / OPEN
For a complete wiring diagram Refer to Section 8W
9 - 1022
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
PM
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