Isuzu Workshop Service and Repair Manuals

Air Flow Meter/Sensor: Specifications

IGNITION TIMING...........................................................................................................................................................................12° BTDC @ 900 rpm

VOLTAGE AND RESISTANCE

Air Flow Sensor

Between red power source terminal (32) and ground...................................................................................................................................10 - 14 ohms

Air Regulator

Resistance.....................................................................................................................................................................................................45 - 50 ohms

AIR Vacuum Switching Valve

Resistance............................................................................................................................................................................................................36 ohms

Canister Purge Vacuum Switching Valve

Resistance...............................................................................................................................................................................................approx. 35 ohms

Coolant Temperature Sensor

-10°C (14°F)................................................................................................................................................................................................7 - 12K ohms
10°C (50°F)...................................................................................................................................................................................................3 - 5K ohms
20°C (68°F)...................................................................................................................................................................................................2 - 3K ohms
50°C (122°F)..............................................................................................................................................................................................0.7 - 1K ohms
80°C (176°F)...........................................................................................................................................................................................0.2 - 0.4K ohms

Dropping Resistor

Between center terminal and any other terminal...............................................................................................................................................5 - 7 ohms

EGR Temperature Sensor

0°C (32°F).....................................................................................................................................................................................................27.0K ohms
20°C (68°F)...................................................................................................................................................................................................12.1K ohms
40°C (109°F)...................................................................................................................................................................................................5.9K ohms
80°C (176°F)...................................................................................................................................................................................................1.7K ohms
100°C (212°F).................................................................................................................................................................................................1.0K ohms

Fuel Injectors

Resistance.........................................................................................................................................................................................................2 - 3 ohms

Fuel Pump Relay

Resistance............................................................................................................................................................................................................80 ohms

Ignition Coil

Primary resistance..................................................................................................................................................................................0.81 - 0.99 ohms
Secondary resistance..............................................................................................................................................................................7.5 - 11.3K ohms

Oxygen Sensor

Voltage range...................................................................................................................................................................................approx. 0.30 - 0.80V

Pressure Regulator Vacuum Switching Valve

Resistance............................................................................................................................................................................................................36 ohms

Starter Relay

Resistance............................................................................................................................................................................................................80 ohms

Throttle Position Sensor (Auto. trans. only)

Between terminals 30 and 38............................................................................................................................................................................12K ohms

Vehicle Speed Sensor

Signal to ECM..............................................................................................................................................................................4 pulses per revolution