air conditioning amplifier - CapHector

AIR CONDITIONING AMPLIFIER. ON-VEHICLE INSPECTION. 1. REMOVE GLOVE COMPARTMENT DOOR. 2. INSPECT A/C AMPLIFIER (Engine (and ECT) ...
23KB taille 5 téléchargements 550 vues
AC-75 AIR CONDITIONING

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AIR CONDITIONING AMPLIFIER

AIR CONDITIONING AMPLIFIER AC2K5-01

ON-VEHICLE INSPECTION 1. 2.

REMOVE GLOVE COMPARTMENT DOOR INSPECT A/C AMPLIFIER (Engine (and ECT) ECU) CIRCUIT Inspect the wire harness side connector of engine (and ECT) ECU from the back side, as shown in the chart below. Engine (and ECT) ECU terminals E5

E6

E7

E8

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FI6526

Tester connection

Condition

Specified condition

Start engine. Magnetic clutch: ON

Below 1.0 V

Start engine. Magnetic clutch: OFF

Battery voltage

IG ON. Evaporator temp.: 0 °C (32 °F)

2.0 - 2.4 V

IG ON. Evaporator temp.: 15 °C (59 °F)

1.4 - 1.8 V

IG ON. A/C switch: ON

Battery voltage

IG ON. A/C switch: OFF

No voltage

E7-7 ↔ Ground

Refrigerant pressure: 196 - 1,340 kPa

Battery voltage

E7-7 ↔ Ground

Refrigerant pressure: less than 196 or more than 1,340 kPa

No voltage

E7 3 ↔ Ground E7-3 G d

E5 14 ↔ E5 E5-14 E5-9 9

E7 10 ↔ Ground E7-10 G d

If the circuit is not as specified, inspect the circuits connected to other parts.

2002 ECHO (RM884U)

Author:

Date:

1522