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3 DETECT MALFUNCTIONING PART
Check the following.
I Fuse block (J/B) connector B5
I 10A fuse
I 15A fuse
I Harness for open or short between fuse and fuel pump relay
© Repair harness or connectors.
4 CHECK CONDENSER CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect condenser harness connector.
3. Check harness continuity between fuel pump relay terminal 3 and condenser terminal 1, condenser terminal 2 and
body ground.
Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 6.
NG © GO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
I Harness for open or short between fuel pump relay and condenser
I Harness for open or short between condenser and body ground
© Repair open circuit or short to ground or short to power in harness or connectors.
6 CHECK CONDENSER
1. Turn ignition switch “OFF”.
2. Disconnect condenser harness connector.
3. Check resistance between condenser terminals 1 and 2.
SEF124Y
Resistance: Above 1 MΩ at 25°C (77°F)
OK or NG
OK © GO TO 7.
NG © Replace condenser.
FUEL PUMP
Diagnostic Procedure (Cont’d)
EC-716
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