Component Inspection
INSPECTION1. Access cab, Standard cab: INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal B7 and negative (-) lead to terminal A8 then check that the illuminations lights up.
If operation is not as specified, check the faulty bulb.
2. Double cab: INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal B2 and negative (-) lead to terminal Bli then check that the illuminations lights up.
If operation is not as specified, check the faulty bulb.
3. INSPECT BULB
Apply the tester as shown in the illustration to the test for continuity.
If continuity exists, replace the heater control.
If no continuity exists, replace the bulb.
4. Access cab, Standard cab: INSPECT A/C SWITCH CONTINUITY
If operation is not as specified, replace integration circuit bulb.
5. Double cab: INSPECT A/C SWITCH CONTINUITY
If operation is not as specified, replace integration circuit bulb.
6. Access cab, Standard cab: INSPECT A/C INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal A12 and negative (-) lead to A1.
(b) Push the A/C button in and check that the A/C indicator lights up.
If operation is not as specified, replace the integration circuit.
(c) Connect the positive (+) lead from the battery to terminal All and negative (-) lead to terminal AlO, then check that the indicator dimes.
If operation is not as specified, replace the integration circuit.
7. Double cab: INSPECT A/C INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal A17 and negative (-) lead to A1O.
(b) Push the A/C button in and check that the A/C indicator lights up.
If operation is not as specified, replace the integration circuit.
8. Access cab, Standard cab: INSPECT AIR INLET CONTROL SWITCH CONTINUITY
If operation is not as specified, replace integration circuit bulb
9. Double cab: INSPECT AIR INLET CONTROL SWITCH CONTINUITY
If operation is not as specified, replace integration circuit bulb
10. Access cab, Standard cab: INSPECT AIR INLET INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal A4 and negative (-) lead to A1.
(b) Push the air inlet button in and check that the air inlet indicator lights up.
If operation is not as specified, replace the integration circuit.
(c) Connect the positive (+) lead from the battery to terminal All and negative (-) lead to terminal AlO, then check that the indicator dimes.
If operation is not as specified, replace the integration circuit.
11. Double cab: INSPECT AIR INLET INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal A14 and negative (-) lead to A1O.
(b) Push the air inlet button in and check that the air inlet indicator lights up.
If operation is not as specified, replace the integration circuit.