1999 TOYOTA CAMRY fuel pump

DI07E±06
± DIAGNOSTICSENGINE (1MZ±FE)
DI±221
456 Author: Date:
PROBLEM SYMPTOMS TABLE
SymptomSuspect AreaSee page
Engine does not crank (Does not start)1. Starter
2. Starter relayST±18
ST±20
No initial combustion (Does not start)
1. ECM power source circuit
2. Fuel pump control circuit
3. Engine control module (ECM)DI±369
DI±374
IN±31
No complete combustion (Does not start)1. Fuel pump control circuitDI±374
Engine cranks normally (Difficult to start)
1. Starter signal circuit
2. Fuel pump control circuit
3. CompressionDI±384
DI±374
EM±3
Cold engine (Difficult to start)1. Starter signal circuit
2. Fuel pump control circuitDI±384
DI±374
Hot engine (Difficult to start)1. Starter signal circuit
2. Fuel pump control circuitDI±384
DI±374
High engine idle speed (Poor idling)1. A/C signal circuit (Compressor Circuit)
2. ECM power source circuitAC±88
DI±369
Low engine idle speed (Poor idling)1. A/C signal circuit (Compressor Circuit)
2. Fuel pump control circuitAC±88
DI±374
Rough idling (Poor idling)1. Compression
2. Fuel pump control circuitEM±3
DI±374
Hunting (Poor idling)1. ECM power source circuit
2. Fuel pump control circuitDI±369
DI±374
Hesitation/Poor acceleration (Poor driveability)1. Fuel pump control circuit
2. A/T faultyDI±374
DI±453
Surging (Poor driveability)1. Fuel pump control circuitDI±374
Soon after starting (Engine stall)1. Fuel pump control circuitDI±374
During A/C operation (Engine stall)1. A/C signal circuit (Compressor Circuit)
2. Engine control module (ECM)AC±88
IN±31
Unable to refuel/Difficult to refuel1. ORVR systemEC±6

± DIAGNOSTICSENGINE (1MZ±FE)
DI±247
482 Author: Date:
4 Check whether misfire is occurred or not by monitoring DTC and data list.
NG Perform troubleshooting for misfire
(See page DI±351).
OK
5 Check air induction system (See page SF±1).
NG Repair or replace.
OK
6 Check EGR system (See page EC±11).
NG Replace EGR system.
OK
7 Check fuel pressure (See page SF±6).
NG Check and repair fuel pump, fuel pipe line and
filter (See page SF±1).
OK
8 Check injector injection (See page SF±25)
NG Replace injector.
OK

± DIAGNOSTICSENGINE (1MZ±FE)
DI±253
488 Author: Date:
4 Check resistance of A/F sensor heaters (bank1, 2 sensor1) (See page SF±68).
NG Replace A/F sensor.
OK
5 Check air induction system (See page SF±1).
NG Repair or replace.
OK
6 Check EGR system (See page EC±11).
NG Replace EGR system.
OK
7 Check fuel pressure (See page SF±21).
NG Check and repair fuel pump, fuel pipe line and
filter (See page SF±1).
OK
8 Check injector injection (See page SF±25).
NG Replace injector.
OK

± DIAGNOSTICSENGINE (1MZ±FE)
DI±257
492 Author: Date:
3 Check for open and short in harness and connector between ECM and heated
oxygen sensors (bank1, 2 sensor1) (See page IN±31).
NG Repair or replace harness or connector.
OK
4 Check air induction system (See page SF±1).
NG Repair or replace.
OK
5 Check EGR system (See page EC±11).
NG Replace EGR system.
OK
6 Check fuel pressure (See page SF±6).
NG Check and repair fuel pump, fuel pipe line and
filter (See page SF±1).
OK

± DIAGNOSTICSENGINE (1MZ±FE)
DI±261
496 Author: Date:
5 Check EGR system (See page EC±11).
NG Replace EGR system.
OK
6 Check fuel pressure (See page SF±1).
NG Check and repair fuel pump, fuel pipe line and
filter (See page SF±1).
OK
7 Check injector injection (See page SF±25).
NG Replace injector.
OK
Replace heated oxygen sensors
(bank1, 2 sensor1).
8 Perform confirmation driving pattern (See page DI±255).
Go

± DIAGNOSTICSENGINE (1MZ±FE)
DI±269
504 Author: Date:
4 Check for spark and ignition (See page IG±1).
NG Repair or replace.
OK
5 Check fuel pressure (See page SF±21).
NG Check and repair fuel pump, pressure regulator,
fuel pipe line and filter (See page SF±1).
OK
6 Check gas leakage on exhaust system.
NG Repair or replace.
OK

± DIAGNOSTICSENGINE (1MZ±FE)
DI±273
508 Author: Date:
1 Check air induction system (See page SF±1).
NG Repair or replace.
OK
2 Check injector injection (See page SF±21).
NG Replace injector.
OK
3 Check mass air flow meter and engine coolant temp. sensor
(See pages SF±35 and SF±63).
NG Repair or replace.
OK
4 Check for spark and ignition (See page IG±1).
NG Repair or replace.
OK
5 Check fuel pressure (See page SF±6).
NG Check and repair fuel pump, pressure regulator,
fuel pipe line and filter.
OK

± DIAGNOSTICSENGINE (1MZ±FE)
DI±281
516 Author: Date:
4 Check resistance of injector of misfiring cylinder (See page SF±21).
NG Replace injector.
OK
Check for open and short in harness and
connector between injector and ECM
(See page IN±31).
5 Check fuel pressure (See page SF±6).
NG Check and repair fuel pump, fuel pipe line and
filter (See page SF±1).
OK
6 Check injector injection (See page SF±25).
NG Replace injector.
OK
7 Check EGR system (See page EC±11).
NG Replace EGR system.
OK