Toyota T100 1996 Service Manual page 412

DI−148
PROBLEM SYMPTOMS TABLE
Engine does not crank (Does not start)
No initial combustion (Does not start)
No complete combustion (Does not start)
Engine cranks normally (Difficult to start)
Cold engine (Difficult to start)
Hot engine (Difficult to start)
High engine idle speed (Poor idling)
Low engine idle speed (Poor idling)
Rough idling (Poor idling)
Hunting (Poor idling)
Hesitation/Poor acceleration (Poor driveability)
Surging (Poor driveability)
Soon after starting (Engine stall)
During A/C operation (Engine stall)
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
Symptom
− ENGINE (5VZ−FE)
Suspect Area
1. Starter and starter relay
1. ECM power source circuit
2. Fuel pump control circuit
3. Engine control module (ECM)
1. Fuel pump control circuit
1. Starter signal circuit
2. Fuel pump control circuit
3. Compression
1. Starter signal circuit
2. Fuel pump control circuit
1. Starter signal circuit
2. Fuel pump control circuit
1. A/C signal circuit (Compressor circuit)
2. ECM power source circuit
1. A/C signal circuit (Compressor circuit)
2. Fuel pump control circuit
1. Compression
2. Fuel pump control circuit
1. ECM power source circuit
2. Fuel pump control circuit
1. Fuel pump control circuit
2. A/T faulty
1. Fuel pump control circuit
1. Fuel pump control circuit
1. A/C signal circuit (Compressor circuit)
2. Engine control module (ECM)
DI0UF−01
See page
ST−6
ST−14
DI−251
DI−255
IN−26
DI−255
DI−248
DI−255
EM−2
DI−248
DI−255
DI−248
DI−255
AC−79
DI−251
AC−79
DI−255
EM−2
DI−255
DI−251
DI−255
DI−255
DI−282
DI−255
DI−255
AC−79
IN−26