CAUTION
- Before disassembling or reassembling parts, always disconnect the battery ground cable. When replacing radio, control module, and other parts provided with memory functions, record memory contents before disconnecting the battery ground cable. Otherwise, the memory will be erased.
- Reassemble in reverse order of disassembly, unless otherwise in dicated.
- Adjust parts to the given specifications.
- Connect the connectors and hoses securely during reassembly.
- After reassembly, make sure functional parts operate smoothly.
GENERAL TOOLS
| TOOL NAME | REMARKS |
|---|---|
| Circuit Tester | Used for measuring resistance and voltage. |
TOOL NAME
HORN
Refer to HORN , Horn System.
HORN RELAY
Measure horn relay resistance between terminals (indicated in table below) while connecting terminal No. 4 to battery positive terminal and terminal No. 3 to battery ground terminal.
Scheme 7
| Current | Terminal No. | Standard |
|---|---|---|
| Flow | 1 and 2 | Less than 1 ohm |
| No flow | More than 1 Mohm |
RESISTANCE SPECIFICATION CHART
Scheme 8
- Disconnect ground cable from battery.
- Remove horn bracket mounting bolt (A).
- Disconnect harness connector and remove horn assembly (B).